I wrote an ebook on this subject and if it interests you you can find it here for $10.60.
I show how to pick out the right kind of fabric and show some troubleshooting ideas. there are 6 project directions you can use. Plus more info on how to make great dresden kaleidoscopes!
http://store.payloadz.com/details/1012850-ebooks-arts-and-crafts-dresden-kaleidoscope-ebook.html
so back to the fun stuff now! here is a wall hanging I just completed for a wall hanging swap I host on the Quilting Board forum - www.quiltingboard.com
These are some of the dresden kaleidoscopes I have been making. some are already on my etsy site and some will be on there soon.