I have mentioned it in the writing thread (http://www.2000adonline.com/forum/index.php/topic,25779.msg449229.html#msg449229) but scripts from other companies are generally useful (for artists working up samples for their portfolio) or just from simple nosiness, so I thought I'd post them in a separate thread that other people can add to when they find them.
The main one:
http://www.comicbookscriptarchive.com/
Marvel have got them to remove scripts but some of them are here (along with others):
http://www.mypdfscripts.com/category/comicbooks
For 2000AD scripts and attempts at drawing the page see:
http://www.2000adonline.com/forum/index.php/topic,27411.0.html