Free Online Photoshop Like Image Editor

Splashup is a free flash based free easy to use, web-based image editor for experienced users, it supports layers and has a interface similar to photoshop.
SplashUp Features:

• Multiple image editing
• Pixel-level control
• Layers of depth
• Brushes & Filters
• Layer effects
• Integration with online image services like flickr
• Fullscreen mode & Resizable windows and panels

Online Image Editor >>
UPDATE: Adobe launched PhotoShop Express - An Online image editor.

                                                                                                                                         Sumber: http://www.megaleecher.net/Online_Image_Editor