It might be possible to make a nice droideka by adding some custom animations. I tried that already, but quit it, because I didn't manage to create a good model for it. That scene prop stuff is silly, as Belendor explained.
When I started the mod in first place, I did so, because of a couple of interesting jedi abilities I was able to implement with the game engine. Not because I thought we need a 1000th line battle mod. I would be very disappointed, if players weren't allowed to play some jedi on sith battles for...
You should decide to use either these things or speeder bikes, not both. Skeletons and Animations cannot be made to work well on both at the same time.
I might prepare some animations and code to make them work with the warband engine or even shoot.