you could get yourself a dome, give it a panoramic texture with clouds and animate that rotating
there are a lot of panoramic clouds floating around on the internet
there are links to some sky domes in the resources forum... i remember requesting it at some point
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D