Here are some links to some online photo editing options. They are free and fun..you edit online (this is Web 2.0)

Picknick! Edit photos the easy way, online.  Go on, try it!

Adobe Photoshop Express. Online photo editing.

Flickr for your digital images. Share, create, upload, organise.

Be funky! Turn your photos into digital art.

Dumpr! Create amazing photo effects and email to your friends.