going to make a vid of me 4tabling, what software to use?

[SilentNoise]

i tried a freeware one i found called camstudio...worked for a little 1 min video test i did ..on the hour long one the program crashed. what do other people use? what makes the smallest .avi or whatever files. just the smallest files for people to download. would appreciate some advice on this. want to see what people think of my play.

thx