change secondary outline color?

i'm trying to recreate the Star Wars intro, and I've already got my text crawl going...that's not the problem. I'm now trying to create the initial "STAR WARS" font that shows before the text crawl. i've got the correct font and everything, but i'm having some trouble getting the inside of the text to be black, and the outline to be yellow. so in essence, a transparent letter with a yellow border around it. i'm messing with the outline feature in iMovie, but it doesn't give the option to change the outline color...it defaults to a black outline.

anyone know how i can change it?