HI, I just want to ask if there''s any site on the web where they show you how they create their tiles (i.e coloring method) in games such as megaman, castlevania and other 2d sidescroll games? THANKS IN ADVANCE!!

http://tsugumo.swoo.net/tutorial/

Scroll down to the bottom of the page for all the different chapters. Excellent tutorials, hope they help.