The reason no resolution greater than 1024x768 is available is because the next resolution is 1280x960, which is too big for your 1600x900 screen.
UniWS won't work on patched TSL without a cracked .exe, and the Squizzy patcher needs one also. The problem is that there are no cracks available that are properly patched to 1.0b, which is what TSLRCM requires to run properly.
TSL does support 1280x768 natively, but it's not available in the in-game menu, so you'll have to change the width and height values under both [Display Options] and [Graphics Options] in the swkotor2.ini file. Your GPU can then scale it to your actual screen size.
"They should rename the team to the Washington Government Sucks. Put Obama on the helmet. Line the entire walls of the stadium with the actual text of the ACA.
Fix their home team score on the board to the debt clock, they can win every game 17,000,000,000,000 to 24. Losing team gets taxed by the IRS 100%, then droned."