[N!ck]

forumdisplay.php - find:

PHP Code:

  $thread[typeprefix]=$stickythreadprefix.$thread[typeprefix]; 


after, add (remember to remove the spaces in { firstaltcolor }):

PHP Code:

  $rowbg="{bghighlight}";
} else {
  $rowbg="{ firstaltcolor }";
} 


Then, create your replacement {bghighlight} and follow the instructions in the text file for editing your forumdisplaybit template.