Check out these edit photos online images:
Picnik Yahoo! Mail app
Image by Yahoo! Inc
Edit Photos by Picnik allows you to crop, touch up, add effects and more to any of the photos that you have in your inbox or online. After you edit them you can email them to friends, save them to your computer, or post to Websites like Flickr and Picasa.
Read more here: ycorpblog.com/2009/06/05/how-to-do-more-surf-less/