Re: Putting on a great light/video show on a low budget?
While not impossible, it's difficult in the real world.
Unless you're the only band playing that night, most clubs don't give you much time to set up, and even less to get off the stage for the next band. There just isn't much time, and sometimes no space on the stage, to set up a lot of extra stuff. Some clubs may not want to you to set up extra stuff.
Also be aware of the extra voltage required. Some older clubs may not be able to handle lots of extra gear plugged in on top of the normal PA, amps and existing lights. I've seen bands blow fuses at places that I've never had a problem with playing.
But if you can get a volunteer road crew to help, you can pull some stuff off.
Some back drops with your bands logo always are nice. You can make a lightweight stand out of pvc pipe.
Scan craigslist and the like for a couple of strobe lights. Maybe you'll get lucky and find some DJ lights for sale cheap. Just remember you'll need lots of extension cords.Hook it into some power supplies that someone on your crew can control to turn the lights on and off at the appropriate times.
Projection screens are difficult because most the time, the existing club lights wash them out if you project from the front, and few clubs have the space behind the stage to do rear projection. So unless you can spend some serious money, most of the time your audience is just going to end up seeing you perform in front of a blank white screen.