Pin it button at each image

I would like to add a pinterest "pin it" button below each image, just like the other share buttons.
I tried to code it myself but it takes to much time.

Can you please help out?

Dear Lucy,
Thanks for contacting us and choosing our product!
Sorry for late respone because we just have some problems with our system yesterday.
About add a pinterest "pin it" button you need custom jquery in file jquery.magnific-popup.js
Same from line 1080 to add google+,...
If you can't custom your self with it you can suggest us a custom project!
Hope this help!