Need a solution for the wall rather than the ceiling? Then look here: http://www.cleverandeasy.com/Do-It-Yourself/001-drill-dust-collector.html
Do-it-yourself is fine, but who doesn't hate moving half of the furniture out of harm's way before you can start drilling, and cleaning up the dust afterwards?
There are nice solutions such as the DDC50 that cost you dozens of dollars, here's a solution that costs you nothing.
