Ask the dev for SweeterHome. He is using layers for images, widgets, etc on his home screen app. I am a beta tester. The app works great right now. He is still working on some final bugs. But, the layering stuff works great. PM me and I'll send you his email address.
Galaxy Nexus & Asus Transformer (TF101)
ATT Samsung S - Captivate
Various Window OS devices
Always waiting (patiently) for the latest CyanogenMOD
Galaxy Nexus (LTE) - running AOKP ROM = Awesome!
Thanks to JesusFreke, Cyanogen, LucidRem, Stericson, Haykuro, The Dude, Wysie_Soh, Kmobs, Koush, Wes, Birdman, etc. - Ya'll are awesome!