The best ones I've found have come from http://majorityreviews.com/articles-trickphotography
Typically, good stuff!
There's many options out there really, I'd try LR 4 or to expand out on some actual ideas you can read up on some. I found ya an article at http://majorityreviews.com/articles-trickphotography
Wouldn't even go there, lol!
One of my favorite lenses actually.
D3200 Sounds right up your alley.
If I'm correct I dabbled with it back in my first semester at NYU when my teacher recommended a ebook. It got into DRP and a few other more advanced techniques - M.R. Did a review on it not to long ago http://www.majorityreviews.com/articles-trickphotography/
Love the lighting setup around the house, beautifully done!