What camera do you currently own?
Make sure your lens is clean.
Make sure you have PLENTY of light.
Make sure that the toilet seat is down... oh wait, that's myspace.
Make sure that the background is uncluttered.
Lots of cameras can take amazing pictures. What kind of brushes did Picasso use...
The previous poster is correct, it's the same chemicals. However in rare occasions you can find a dip and dunk service (I only know of one in the US myself and it's not all that common as far as I know). Again it's the same chemicals but there is less risk of scratching the back of the film...