A couple of tips:
Cut the vinyl at the edge of the panels don't wrap it around, it will eventually come off and depending on the quality of the vinyl may not even like going around corners.
When polishing your car with them on use masking tape over the vinyl so the edges don't get filled with polish. you can get it out its just very annoying and you risk damaging the vinyl.
Look up some vinyl install instructions on the web and don't worry if you get very tiny bubbles under the vinyl, they will disappear in a couple of days in the sun.
I have been cutting some graphics for my own car. I will post pics once I have it completed, hopefully this weekend...