Other sites with free ramp plans
RickDahlen.com
These are probably the second best mini halfpipe plans on the net.
Slap Magazine
Decent ramp plans for various types of ramps.
freerampplans.cjb.net
Decent step by step instructions for buillding a mini ramp, although lacking in diagrams/pics.
Thrasher Magazine
Brief instructions for building a vert ramp.
totse.com
Lots of writing on building a ramp, also some legal/liability info.
Heckler
Detailed blueprints for various ramps, no step by step instructions or pictures.
Ramp Rage
Same plans as Heckler's
Ramp Transition Calculator
Useful online web application for determining proper dimentions for drawing transitions.
Places to Buy Ramp Plans
Build a Ramp - Buy Ramp PlansRamp Plans for Skateboard Ramps - Ramp plans to build your own skateboard ramps using easy step by step plans. Twelve different ramp plans to build a complete skatepark.
Xtreme Sports Link Partners
SkunkBoy.net - Lots of pics and videos of different Xtreme Sports.Skateboard UK - UK online Skateboarding resource