Picnik provides a wide range of options to third-party developers who want to integrate the Picnik experience into their own websites.
Use the Picnik interface to load, edit, and save a specific image you provide
Control portions of the Picnik interface
Give your users a superior importing (and exporting) experience for images related to your application
You are allow integrate Picnik into your application with their own API, it's quite easy. Feel free to visit the Picnik today to improve your website functionality.
http://www.picnik.com/