Do you believe in Orbs?

I have to tell you that I am a skeptic, but I still cannot explain the strange orb-looking objects that we captured on our digital camera. We took hundreds of pictures in the same spots and most of them did not capture anything, but here are the results of the few that we did catch!









(above picture) hard to see, but look closely at the blinds.

Are these ghosts? Can they be explained? Leave me your comments!