You can use a free model or you can go on sound service make a brick and script it.
its impossible
You used to be able to.. but in 2010 they banned that from ROBLOX. along with adding music and back rounds. made ROBLOX lammer.
Use Sony Vegas or some edit thingies
U make a roblox with cheeze
Most of the music has been since removed from Roblox. If the music is not added by Roblox it may not work in-server. Lag may also make it take quite a bit of time for the music to start playing.
Go to roblox studio
you can check my youtube channel for tutriols for roblox games :)
make someone draw you on roblox like a drawing
You can make an account on a test server what you need to do is make an account on normal roblox then sign-in using your normal account
To learn how to make an elevator on ROBLOX go to: http:/wiki.roblox.com/index.php/How_To_Make_an_Elevator.
Not possible actually. Only ROBLOX can do that,
You can not make gear, but you can email the roblox people to make your own gear. (i told them to make a dance potion)