In the time it took for you to create this thread, post pics, and reply to it ten times, you could have found 20 other threads with detailed plans and photos/videos of both drop in ramps and rails/boxes of every shape and size imaginable. Normally, I'd post links to the other relevant threads, but in this case, this is such an obnoxiously lazy repost that you can do it yourself.
The Build-a-Jib cult is joinable by anyone (I think) and has a ton of info.
Lastly, if you don't know what PVC is or where to buy it, you're 13 and have failed before you've started and you need to get dad/big bro involved stat.
P.S. Your icon makes me want to punch you in your face. Summer on NS is officially here and I'm fucking pissed...