http://cartoon.adult-fanfiction.org/story.php?no=600096160 - Justice League cartoon.
http://cartoon.adult-fanfiction.org/story.php?no=600095229 - Teen Titans, Het, Beast Boy/Raven
http://cartoon.adult-fanfiction.org/story.php?no=600096237 X-Men animated series - all
http://cartoon.adult-fanfiction.org/story.php?no=600096234 - Teen Titans, threesomes/moresomes
A few fics are in the misc - AU section instead of fandom
http://cartoon.adult-fanfiction.org/story.php?no=600096231 - Kim Possible
http://cartoon.adult-fanfiction.org/story.php?no=600096190 - Kung Fu Panda
http://cartoon.adult-fanfiction.org/story.php?no=600095321 - Lilo and Stitch.