A tool to compose wallpapers, root pixmaps, for X
hsetroot is a tool which allows you to compose wallpapers ("root pixmaps") for X. It has a lot of options like rendering gradients, solids, images but it also allows you to perform manipulations on those things, or chain them together. You could use one standard background image for instance, and using tint to make it fit your current theme. It is compatible with semi translucent applications like aterm and xchat.