I don't see anything incriminating. It's probably shitty video drivers and/or hardware.
# # CORE SOUND OPTIONS # WINDOWS PERFORMANCE OPTIONS # priority 0 multithreading 0 <---you definitely want this at 1 numprocessors auto profile 0 bench 0
# # WINDOWS VIDEO OPTIONS # video d3d numscreens 1 window 0 maximize 1 keepaspect 1 prescale 1 <--- I'd set this to 2 or 3. Try 2 first and see if there's any visible improvement. This setting has no effect when using HLSL, which has its own prescale setting. waitvsync 0 syncrefresh 0 menu 0
# # DIRECT3D-SPECIFIC OPTIONS # d3dversion 9 <------You can try setting this to 8, maybe it'll work better with your on board video. filter 1 <------and disable filtering - set to 0
# # FULL SCREEN OPTIONS # triplebuffer 0 <----- if you can set a refresh rate higher than 60Hz in your video card control panel, set triplebuffer to 1 for smoother scrolling.