What is the best site for photo editing?

Question: What is the best site for photo editing!?

I'm wanting to add pictures such as stickers, I have photos of my baby and he has a bit of food on his cheek so I want to remove it too!. Does anyone know of a good site that will do this!?
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Best Answer - Chosen by Asker:

Online aps:
"Picnik makes your photos fabulous with easy to use yet powerful editing tools!. Tweak to your heart’s content, then get creative with oodles of effects, fonts, shapes, and frames!.
It's fast, easy, and fun!."
http://www!.picnik!.com/

"FotoFlexer is the world's most advanced online digital photo editor!. It performs advanced effects previously only available to professionals using expensive software!. FotoFlexer was founded by Arbor Labs, a team of graduate students and alumni from the Center for Entrepreneurship and Technology, University of California at Berkeley (and just one MIT/Stanford alum too)!."
http://fotoflexer!.com/

"Splashup, formerly Fauxto, is a powerful editing tool and photo manager!. With all the features professionals use and novices want, it's easy to use, works in real-time and allows you to edit many images at once!. Splashup runs in all browsers, integrates seamlessly with top photosharing sites, and even has its own file format so you can save your work in progress!."
http://www!.splashup!.com/

"Do what you want with your photos!. Give them cartoon colors!. Distort them!. Go nuts!. Turn average photos into jaw droppers with options like Pop Color, Sketch, Hue, Black & White, Tint, and more!."
https://www!.photoshop!.com/express/

Downloadable opensource freeware:
"The GNU Image Manipulation Program (GIMP) does most of what Photoshop does; the Gimpshop project (plasticbugs!.com) even makes it look like Photoshop!."
http://gimp!.org

(hall of fame - best free software - pcmag -
http://www!.pcmag!.com/article2/0,2704,226!.!.!.

Animated images:
http://www!.lunapic!.com/editor/
http://www!.blingee!.com
http://gickr!.com/
http://animator!.iconator!.com/animator!.ph!.!.!.Www@QuestionHome@Com