I would like to build a similar camera and BB gun combo. So it's a great help you posted this! Thanks
You say you are using hobby servos, which ones specifically so I can look up datasheet?
I plan to put mine on a robot rover controlled by a Dell mini web-book. To save on costs I'm using jeelabs RF12 modules which have a 100m range for rover control, however the IP camera can be operated over the Internet wherever there is a wireless connection.
I'm using storageoptions day-night IP camera with motion sensor and a low power laser to aid sighting remotely. The bb gun will be a an UZI style electric SMG for remote mobile-mayhem!