Optical Illusions

You can check them at yahoo games http://games.yahoo.com/braingames

These 'bugs' seem to be moving, but this is actually a static image. Note that whenever you focus on a particular 'bug,' it seems to stop moving.

This is a cycling image. Focus on the red dot and wait for the image to change to a shot of the beach. It's in black and white, but it will appear to be in color because of the after-image in your eyes!

Scan the negative space in this whimsical illusion by Culpeo. Can you see what's haunting this fox?

This isn't just a picture of two squirrels on a branch. Can you see the hidden image within?

One of the most amazing "fake motion" illusions. Believe it or not, this is a still image!