Uses Laser Mod and BTW for Turntable, Block Dispenser and Obisidan Pressure Plates.
It's made in creative mode.
Excuse the picture spam.
It works by using the Cyan Laser in its advanced form which pushes entities; since activated TNT becomes and entity...
You can extent the range further by just adding blocks above the beam's length so the primed TNT doesn't fly out of the beam.
Give it a look; the lasers, while not fitting in as such, give new options that open up some interesting things... (http://www.minecraftforum.net/topic/515 ... ith-lenses)
For crying out loud, use spoiler tags when dumping a metric fuckton of images in a thread... Added tags.
//Urian