Helen-Plank-Theme

In Helen.zip you can find Helen theme for your plank.

Install Plank

sudo add-apt-repository ppa:ricotz/docky
sudo apt-get update
sudo apt-get install plank

Install Helen-Plank-Theme

sudo apt-get install git
git clone https://github.com/Riccardinhocala/Helen-Plank-Theme
cd ~
cd Helen-Plank-Theme
unzip Helen.zip 
sudo cp -r Helen/ ~/.local/share/plank/themes/

Select Helen-Plank as theme

Run a Terminal as normal user (if you run as root, change could not take place)

plank --preferences

Now select "Helen" in "Theme" list

Enjoy!

Screenshots