In this video I show you one way that you can create the Star Wars credit roll effect that moves into infinity, using Sony Vegas Movie Studio HD Platinum 10.
This tutorial is only very rough and wont work for everyone, because you need the exact version of Vegas to do this method. Only by using Sony Vegas Pro can you create this effect accurately.
Update June 2013
Please Note ! If you are using Sony Movie Studio Platinum 12 Suite or Imagination Studio 4, then there is a new and improved method for creating the Star Wars Credit Roll text effect. Follow the link below to updated tutorial: