http://www.xes.cx/MT/archives/2007/10/ipoh_road_trip_part_ii_rock_cl.html#more
http://www.rockclimbing.com/routes/Asia/Malaysia/Perak/Lost_World_of_Tambun/
http://www.climb-asia.com/image/climbingtrips/Bukit%20Keteri%20&%20Tambun%20Waterpark/default.htm
http://allmalaysia.info/news/story.asp?file=/2007/2/24/state/16929845&sec=mi_perak
Been there but all my pictures are with Dinos.
Here's Kelly's post from ages ago:
http://stick-it.blogspot.com/2007/04/lost-world-of-tambun.html