Here is a good link:
http://cs.astronomy.com/asy/astro_im...6/t/45250.aspx
I hope it's okay to link stuff, if it's against forum rules could someone please let me know.
It goes through some super basic stuff right up to more advanced.
I reread my post and I said I took flats, but I actually took darks and bias, but not flats for these pics.