I use OpenFOAM daily. I can help people out pretty easily set up a case properly (not just to get pretty pictures).
My linux machine use to look like this:
What a simple iteration case looks like after solving:
Simple surface mesh of simplified Scion FRS:
Close up of mesh generation with snappyHexMesh:
**Not the best mesh generation provided in that picture...just for representation**
Semi case I worked on:
FRS case:
Top Fuel Dragster:
I can help start a tutorial if needed also. I have been using OpenFOAM for about 2 years and using it for aero consulting for the last year.