FotoSketcher - Turn photos to paintings, drawings and sketches. FotoSketcher is a 100% free program to turn your photos into beautiful art, automatically.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
DreamLight Photo Editor - DreamLight Photo Editor enables you to add beautiful effects to digital photos.
Kamoso - Kamoso is a webcam recorder from KDE community.
Elfin Photo Editor - Elfin Photo Editor is a handy program that enables you to make your photos shine.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.