Did you know that Adobe has just released a version of Photoshop called Photoshop Express? It's a rich internet application (RIA) with basic photo editing capabilities. RIA's are applications that are run in an internet browser rather than from within your computer operating system.
To use Photoshop Express you need the most recent version of Flash.
Read about and try it out here: http://labs.adobe.com/technologies/photoshopexpress/