Check out this surplus camera component on eBay:

http://www.ebay.com/itm/US-New-OEM-Nokia-Lumia-1020-Back-Rear-Big-Camera-Module-Replacement-Part-/370988053340

Note the ribbon connector looks similar to that on the tinyDurino......pin-outs will probable be different, and software drivers may be an issue.

A camera would be a nice addition to the product line.