1) to set a custom res, use these commands
where the xxxx are replaced with the width and height you want to use.
2)I use quickgamma to fix any gamma problems after a game exits and doesn't reset the gamma correctly. The original by ydnar is difficult to find, but there is a small update to it still online. try here http://blog.blackhc.net/2006/08/the-...of-quickgamma/