HTACCESS questions

[eluser]Jason van der Zeeuw[/eluser]
Can you help me out with the following:

example.com/gifts/awesome

first:
check if "gifts" exists in de database,
else check if it is an info page
else load the controller, or show 404

and then a little question which I asked before,
"I don’t know how the info pages work, do i have to make a new controller for each page?
i.e. I want mysite.com/aboutus
do I need to make a controller “aboutus.php” with an index function, or are there better ways to accomplish this?"

I can offer money to help me if you can help me all the way out with this!