fyeahtutorial:

Download photoshop

• PHOTOSHOP CS
• PHOTOSHOP CS2
• PHOTOSHOP CS3
• PHOTOSHOP CS4
• PHOTOSHOP CS5 (UPDATE!)

Download kmplayer

• KMPLAYER

Download youtube downloader

• YOUTUBE DOWNLOADER

Download video converter

• VIDEO CONVERTER

Others

• GIMP
• PHOTOSCAPE 
• PHOTO EDITOR
• PICASA 3

Online photo editor (no need to download!)

• PICNIK
• FOTOFLEXER
• PIXLR
• PHIXR
• LUNAPIC
• PIZAP
• IPICCY
• BEFUNKY
• MAGMYPIC
• FOTOTRIX

Snapshot with effects (no need to download!)

• CAMEROID
• FUNFACECAM
• PICANOM
• WEBCAM PHOTO