MugTug offers an attractive suite of
tools to help you work with graphics online.
Darkroom is an easy-to-use image processor for tweaking an image's
brightness, contrast, exposure, contrast and saturation, as well
as applying a few special effects.
Sketchpad is an interesting paint and drawing tool, with all the
usual options, and some surprising extras: a spirograph drawing
tool, customisable gradient and pattern options, a range of swatches,
And once you join the site's online community then you're able
to share your creations (and any of your other favourite photos)
and view those of other members, add a comment to anything that
catches your attention, and share ideas on how to improve your work.