diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.test.tsx
index 944c99f7c61c2..332f3a3889a32 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.test.tsx
@@ -39,6 +39,7 @@ describe('SearchUIForm', () => {
     onSortFieldsChange: jest.fn(),
     onTitleFieldChange: jest.fn(),
     onUrlFieldChange: jest.fn(),
+    onThumbnailFieldChange: jest.fn(),
   };
 
   beforeAll(() => {
@@ -52,6 +53,7 @@ describe('SearchUIForm', () => {
     expect(wrapper.find('[data-test-subj="selectFilters"]').exists()).toBe(true);
     expect(wrapper.find('[data-test-subj="selectSort"]').exists()).toBe(true);
     expect(wrapper.find('[data-test-subj="selectUrl"]').exists()).toBe(true);
+    expect(wrapper.find('[data-test-subj="selectThumbnail"]').exists()).toBe(true);
   });
 
   describe('title field', () => {
@@ -112,6 +114,35 @@ describe('SearchUIForm', () => {
     });
   });
 
+  describe('thumbnail field', () => {
+    beforeEach(() => jest.clearAllMocks());
+    const subject = () => shallow(<SearchUIForm />).find('[data-test-subj="selectThumbnail"]');
+
+    it('renders with its value set from state', () => {
+      setMockValues({
+        ...values,
+        thumbnailField: 'foo',
+      });
+
+      expect(subject().prop('value')).toBe('foo');
+    });
+
+    it('updates state with new value when changed', () => {
+      subject().simulate('change', { target: { value: 'foo' } });
+      expect(actions.onThumbnailFieldChange).toHaveBeenCalledWith('foo');
+    });
+
+    it('updates active field in state on focus', () => {
+      subject().simulate('focus');
+      expect(actions.onActiveFieldChange).toHaveBeenCalledWith(ActiveField.Thumb);
+    });
+
+    it('removes active field in state on blur', () => {
+      subject().simulate('blur');
+      expect(actions.onActiveFieldChange).toHaveBeenCalledWith(ActiveField.None);
+    });
+  });
+
   describe('filters field', () => {
     beforeEach(() => jest.clearAllMocks());
     const subject = () => shallow(<SearchUIForm />).find('[data-test-subj="selectFilters"]');
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.tsx
index b795a46268237..145362812a7bf 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_form.tsx
@@ -22,6 +22,8 @@ import {
   URL_FIELD_LABEL,
   URL_FIELD_HELP_TEXT,
   GENERATE_PREVIEW_BUTTON_LABEL,
+  THUMBNAIL_FIELD_LABEL,
+  THUMBNAIL_FIELD_HELP_TEXT,
 } from '../i18n';
 import { SearchUILogic } from '../search_ui_logic';
 import { ActiveField } from '../types';
@@ -36,6 +38,7 @@ export const SearchUIForm: React.FC = () => {
     validFacetFields,
     titleField,
     urlField,
+    thumbnailField,
     facetFields,
     sortFields,
   } = useValues(SearchUILogic);
@@ -45,11 +48,13 @@ export const SearchUIForm: React.FC = () => {
     onSortFieldsChange,
     onTitleFieldChange,
     onUrlFieldChange,
+    onThumbnailFieldChange,
   } = useActions(SearchUILogic);
 
   const previewHref = generatePreviewUrl({
     titleField,
     urlField,
+    thumbnailField,
     facets: facetFields,
     sortFields,
   });
@@ -69,6 +74,7 @@ export const SearchUIForm: React.FC = () => {
   const facetOptionFields = formatMultiOptions(validFacetFields);
   const selectedTitleOption = formatSelectOption(titleField);
   const selectedURLOption = formatSelectOption(urlField);
+  const selectedThumbnailOption = formatSelectOption(thumbnailField);
   const selectedSortOptions = formatMultiOptions(sortFields);
   const selectedFacetOptions = formatMultiOptions(facetFields);
 
@@ -112,7 +118,6 @@ export const SearchUIForm: React.FC = () => {
           data-test-subj="selectSort"
         />
       </EuiFormRow>
-
       <EuiFormRow label={URL_FIELD_LABEL} helpText={URL_FIELD_HELP_TEXT} fullWidth>
         <EuiSelect
           disabled={dataLoading}
@@ -126,6 +131,19 @@ export const SearchUIForm: React.FC = () => {
           data-test-subj="selectUrl"
         />
       </EuiFormRow>
+      <EuiFormRow label={THUMBNAIL_FIELD_LABEL} helpText={THUMBNAIL_FIELD_HELP_TEXT} fullWidth>
+        <EuiSelect
+          disabled={dataLoading}
+          options={optionFields}
+          value={selectedThumbnailOption && selectedThumbnailOption.value}
+          onChange={(e) => onThumbnailFieldChange(e.target.value)}
+          fullWidth
+          onFocus={() => onActiveFieldChange(ActiveField.Thumb)}
+          onBlur={() => onActiveFieldChange(ActiveField.None)}
+          hasNoInitialSelection
+          data-test-subj="selectThumbnail"
+        />
+      </EuiFormRow>
       <EuiButton
         disabled={dataLoading}
         type="submit"
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_graphic.scss b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_graphic.scss
index cc49789358a28..6c97ccddad183 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_graphic.scss
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/components/search_ui_graphic.scss
@@ -185,4 +185,27 @@
       }
     }
   }
+  &.activeThumb {
+    #results {
+      .outerBox {
+        fill: $euiColorEmptyShade;
+        stroke: $euiColorPrimary;
+        stroke-width: $euiBorderWidthThin;
+      }
+      .url {
+        fill: $euiColorPrimary;
+        opacity: .1;
+      }
+      .titleBox {
+        fill: $euiColorEmptyShade;
+      }
+      .titleCopy {
+        fill: $euiColorPrimary;
+        opacity: .1;
+      }
+      .shoe {
+        fill: $euiColorPrimary;
+      }
+    }
+  }
 }
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/i18n.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/i18n.ts
index e26df0bd89832..48a1ca3e51ff6 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/i18n.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/i18n.ts
@@ -42,10 +42,18 @@ export const URL_FIELD_LABEL = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.searchUI.urlFieldLabel',
   { defaultMessage: 'URL field (Optional)' }
 );
+export const THUMBNAIL_FIELD_LABEL = i18n.translate(
+  'xpack.enterpriseSearch.appSearch.engine.searchUI.thumbnailFieldLabel',
+  { defaultMessage: 'Thumbnail field (Optional)' }
+);
 export const URL_FIELD_HELP_TEXT = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.searchUI.urlFieldHelpText',
   { defaultMessage: "Used as a result's link target, if applicable" }
 );
+export const THUMBNAIL_FIELD_HELP_TEXT = i18n.translate(
+  'xpack.enterpriseSearch.appSearch.engine.searchUI.thumbnailFieldHelpText',
+  { defaultMessage: 'Provide an image URL to show a thumbnail image' }
+);
 export const GENERATE_PREVIEW_BUTTON_LABEL = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.searchUI.generatePreviewButtonLabel',
   { defaultMessage: 'Generate search experience' }
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.test.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.test.ts
index f615f9a4e2c72..aefe3c94f89cc 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.test.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.test.ts
@@ -30,6 +30,7 @@ describe('SearchUILogic', () => {
     validFacetFields: [],
     titleField: '',
     urlField: '',
+    thumbnailField: '',
     facetFields: [],
     sortFields: [],
     activeField: ActiveField.None,
@@ -93,6 +94,17 @@ describe('SearchUILogic', () => {
       });
     });
 
+    describe('onThumbnailFieldChange', () => {
+      it('sets the thumbnailField value', () => {
+        mount({ thumbnailField: '' });
+        SearchUILogic.actions.onThumbnailFieldChange('foo');
+        expect(SearchUILogic.values).toEqual({
+          ...DEFAULT_VALUES,
+          thumbnailField: 'foo',
+        });
+      });
+    });
+
     describe('onFacetFieldsChange', () => {
       it('sets the facetFields value', () => {
         mount({ facetFields: [] });
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.ts
index 096365f57ea36..e6225614fdc18 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/search_ui_logic.ts
@@ -20,6 +20,7 @@ interface InitialFieldValues {
   validSortFields: string[];
   validFacetFields: string[];
   urlField?: string;
+  thumbnailField?: string;
   titleField?: string;
 }
 interface SearchUIActions {
@@ -30,6 +31,7 @@ interface SearchUIActions {
   onSortFieldsChange(sortFields: string[]): { sortFields: string[] };
   onTitleFieldChange(titleField: string): { titleField: string };
   onUrlFieldChange(urlField: string): { urlField: string };
+  onThumbnailFieldChange(thumbnailField: string): { thumbnailField: string };
 }
 
 interface SearchUIValues {
@@ -39,6 +41,7 @@ interface SearchUIValues {
   validFacetFields: string[];
   titleField: string;
   urlField: string;
+  thumbnailField: string;
   facetFields: string[];
   sortFields: string[];
   activeField: ActiveField;
@@ -54,6 +57,7 @@ export const SearchUILogic = kea<MakeLogicType<SearchUIValues, SearchUIActions>>
     onSortFieldsChange: (sortFields) => ({ sortFields }),
     onTitleFieldChange: (titleField) => ({ titleField }),
     onUrlFieldChange: (urlField) => ({ urlField }),
+    onThumbnailFieldChange: (thumbnailField) => ({ thumbnailField }),
   }),
   reducers: () => ({
     dataLoading: [
@@ -79,6 +83,12 @@ export const SearchUILogic = kea<MakeLogicType<SearchUIValues, SearchUIActions>>
         onFieldDataLoaded: (_, { urlField }) => urlField || '',
       },
     ],
+    thumbnailField: [
+      '',
+      {
+        onThumbnailFieldChange: (_, { thumbnailField }) => thumbnailField,
+      },
+    ],
     facetFields: [[], { onFacetFieldsChange: (_, { facetFields }) => facetFields }],
     sortFields: [[], { onSortFieldsChange: (_, { sortFields }) => sortFields }],
     activeField: [ActiveField.None, { onActiveFieldChange: (_, { activeField }) => activeField }],
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/types.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/types.ts
index 224aeab05af35..e5b0f2ce2ccd7 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/types.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/search_ui/types.ts
@@ -10,5 +10,6 @@ export enum ActiveField {
   Filter = 'Filter',
   Sort = 'Sort',
   Url = 'Url',
+  Thumb = 'Thumb',
   None = '',
 }