CakePHP, Set "cake" Environment Variable?

Here's a quickie that I assume has a simple answer (maybe? Hopefully?), but I just can't find one:

I'm using the "cake" console in cakephp on Mac OS X 10.6.2. How do I set up the environment variable (or PATH?) so that all I need to type in terminal is "cake"... as opposed to the full path to the console app?

I'm unabashedly a newb when it comes to terminal commands and these UNIX things (but I'm learning!), so bear with me if my explanation/vocabulary is a bit off.

Thanks in advance!