Hey guys i just want to share How to make you arma2 run faster and still have good graphics.
here is the step :
1. First you need to Download this : http://www.armaseries.eu/sweetfx.rar
2. after you download it Extract all the files to your arma2 Directory folder.
3. go to your C/Document/Arma2/ and open the Arma2OA with notepad.
4. scroll down until you found "GPU_MaxFramesAhead" change the value (1000) to 1.
Now if you launch your arma 2 and put the resolution to low, your graphics it still Higher than previous.
for better perfomance you can download gamebooster launch gamebooster everytime you want to play Arma 2. thats all guys hope this helped. if you have any question Let me Now :)