This is a great guide on how to create a factory finish on your guitar using normal spray cans - it contains project logs of 4 guitar finishes. I have used this book to paint guitars myself and it really does offer excellent advice!
Book:
Code:
http://rapidshare.com/files/135909294/pyog.rar
28 short videos which show how do use the techniques shown in the book:Code:
http://rapidshare.com/files/135913163/pyogvideo.part1.rar
http://rapidshare.com/files/135916171/pyogvideo.part2.rar
http://rapidshare.com/files/135916989/pyogvideo.part3.rar