Alien Illusion Scarf

I made this alien illusion scarf for Stefan's birthday last year (Dec. 2004). When you look at it straight on, it just looks like a striped scarf. But when you look at an angle, ALIENS pop out!
The yarn is TLC Amore (fuzzy acrylic). It was knit on size 7 needles from a pattern in Debbie Stoller's Stitch n' Bitch book.