nah, it's not too good to be true. I raised my uniques from 1k a day to 2k a day in about a week. It went as high as 3k a day, but I'm going to have to pump some more traffic thru it to sustain that. Been making $10/day off it. I just set it and leave it alone (got a TGP script that rotates my sponsor hosted galleries too - it was only $25).... let me get that address for your bookmarks....
http://www.nibbi.net/scripts/ghostdriver.php