Avi and Andrew at Dabble DB have taken an unsurprisingly idiosyncratic (and smart) approach to producing a white-label version of their data service. They sample your uploaded logo to create an appropriately colorized version of your DDB site. Very cool.
Read more here.
obDisclaimer: I’m on the Dabble DB board, so I’m horribly conflicted, almost certainly making stuff up, and generally not be trusted. Or something.