Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
piZap - Free online photo editing software.
Webcamoid - Webcamoid is a full featured webcam capture application.
Photoshop.com - Photoshop.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.