I made this awhile back with a random java script I found off of google, if you're feeling bored, give it a try; it's a ward trainer (ala, the tireless call out drill sargent!); at the very least check it out; if you're anything like me, it's a lot easier to practice the guards when I know which one I should move into next.

http://ca.geocities.com/mb_welder/random.htm

Let me know what you think and enjoy!