Adultswim.com is showing the entire ATHF movie for free on their site. I personally, a die hard ATHF fan, hated the movie but you might enjoy it. Also, if you have cable, they'll air it Sunday night.
http://www.adultswim.com/video/?episodeID=8a25c39218ef7fa20118f1ed230c009b
http://www.adultswim.com/video/?episodeID=8a25c39218ef7fa20118f1ed230c009b