We (myselfmyself and KyleKyle), with graphical help from NathanNathan, developed an automatically generated image that pulls in the number of bounties, the total bounty rep value, and displays that in an image.
It is part of the Ask Different Community Ads, and we're pretty proud of it.
Thanks for developing Serel, it made the heavy lifting of StackExchange's API insanely simple, and we could focus on the harder parts, like getting RMagick to play nice and actually do what we want it to do (┬──┬ ლ(ಠ益ಠლ)
adequately explains how I felt about RMagick... often).