RealWorld Paint.COM is a freeware image editor focused on web graphics.
Major features:
* layers with effects (similar to Photoshop layer styles)
* sRGB optimized blending for extra smooth edges
* create custom filters in JavaScript
* compatible with Photoshop .8bf filter plug-ins
* draw with Vista-glass-like effect
* portable - running on Win2000, XP, Vista & 7 (.net NOT needed)
* control the application with mouse gestures
* and more...
Download from: http://www.rw-designer.com/image-editor