dedguy,
Second shot looks like an experiment with long exposure times and the macro shots is further proof why the headsculpt is pure win.
Thanks for sharing those great pics.
I missed all the photography talk, but in general, everyone's correct.
My best advice, learn the capabilities of your current camera. Whether it be point-n-shoot or DSLR. If you're not one of the lucky ones to have light panels, multiple light sources, and/or aftermarket flash, then get yourself a tripod and use decent daylight coming in from outside. That's what I do.
I'm not a big fan of flash photography, but that doesn't stop me from using it. It's not terrible, but I just prefer having a stable cam versus a flash.
One other thing that hasn't been mentioned yet, look into White Balance. Make sure the colors you're capturing in your pics represent the actual colors of the objects you're photographing.
Almost all of the great pics in this or any other thread have had some degree of post processing (i.e. photoshop) and is a great way to express creativity and I love them all.
Keep those pics coming guys.