How to connect new OV7670 FIFO to Arduino?
I recently brought this book off Amazon "Beginning Arduino ov7670 Camera Development".  I'm loathed to recommend it, because it has a nice 80 page introduction to the Arduino and OV7670 and the rest of the 250 pages are just double space annotated code.  That said, it does appear to be a very good introduction, with example code, for a OV7670-FIFO (the title of the book is incorrect).

It might be possible to find the code on the net and then you can decide if you want to buy the book or not.  Oh and I am not Robert Chin, I do not know him and I have nothing to do with the book, other than owning a rather new and once read copy of it.