Yes it has slowed down, and I think Eagle's thesis may be correct.

Dotsie it may be possible to have all pictures older then, let's say 6 months, automatically erased. Then the site may pick up speed. You can't judge the speed from your own computer, since you probably have all the direct links installed there. I know, because my website is faster when I go into it, then when an outsider goes into it. I'm sure your computer gurus can do something about it.