http://www.armaholic.com/page.php?id=6901&highlight=SOUND%2BOF%2BWARThat's the link for sow.
1. download it
2. add a folder to your arma2 OA directory, call it "@SOW"
3. open the downloaded sow file
4. there's an installer,open it. you have to choose a folder, pick the @SOW you've created, and install it
5. go to @SOW, into the folder SowMod, then "addons" and copy all four files
6. go to your Breakingpoint/zero folder you want to fix, then into "Addons"
7. put in the copied files
sorry for the mistakes, i'm german :D