1. Use an uncommon hair style. You could style your hair to stand straight up like you're scared or use a wig to wear a Mohawk or huge fuzzy hair.
2. Color your hair a bright color. You could color it pink, blue, purple, green, etc. You could even make it match your web site's colors.
3. Draw lines on your picture. You could draw a black eye or mustache on it before you scan and upload it to your web site.
4. Put on silly glasses. You could put on spring like glasses, over-sized colorful glasses, spinning glasses, or even 3-D glasses.
5. Wear uncommon clothes. You could wear a super bright suit, a costume outfit, a weird tie or a bathing suit.
6. Make a weird facial expression. You could stick your tongue out, push your face together, make your eyes big, look like you're angry, etc.
7. Wear an unrelated hat. You could wear a cowboy hat, a bowl on your head, straw hat, a sports helmet, a rain hat, etc.
8. Paint your face. You could paint your own ideal character or paint a typical character like a clown, animal, plant, etc.
9. Wear a mask. You could buy one or make one out of a paper bag. Just cut the nose, mouth and eyes out. You could also add other facial features.
10. Use an uncommon background. You could use an outside background, funny wallpaper, a prop to look like you have a cartoon body, etc.