Earlier this year, I had the pleasure of contributing to a very neat project -- Patterning : Drum Machine, developed by Olympia Noise Co. for the iPad. I designed samples for one of the bundled drum kits in the app, called "Extraterrestrial". All of the samples came from recording objects around my home, and then processing them digitally.
I'm also making the individual drum samples available for download, as hi-res 96kHz/24-bit WAVs, for use in any audio application. They can be obtained from the SoundCloud playlist linked here.