Found 1900 pages, which contain special tag (<dpl>, <youtube>, etc.)

bloglist (3 pages)

choose (15 pages)

createbox (5 pages)

gallery (1041 pages)

imagemap (5 pages)

inputbox (4 pages)

mainpage (6 pages)

math (646 pages)

poem (5 pages)

poll (52 pages)

rss (1 pages)

slider (4 pages)

slideshow (83 pages)

tabview (1 pages)

verbatim (1 pages)

watch (2 pages)

youtube (26 pages)