I must have had one of the best driving teachers, because I have no problem parallel parking any of our rigs...even DH's Crew Cab with 8 foot bed...As long as the other cars are not over the marks, and I have the full space, I can park - back up once, pull forward once, and we're done!...
But it's all in the set up...you pull up wrong, or try to pull into the spot, and ferget it....you gotta learn where to line up your car with the one next to it, and when to turn the wheel...which is different with DH's truck and my truck...my car as well I suppose.
I think I'll have my mom teach both of my DD's....she did good with me...
Brandy