[X-Newbies] GETTING RID OF DUPLICATE PHOTO FILES

[S GRISELDA H BUONGIORNE]

Hi I'm running Mac OS X, Tiger and Leopard (on two diff. laptops).
I notice that I have tons of duplicate photos even when I have  
trashed them in iPhoto. I to to All Images, I find that I still have  
tons of photos that I had already trashed, they are still there in  
different forms, smaller, less resolution etc. Whed I started getting  
rid of them one by one....very tedious....then that messed the  
library up...


So my question is: IS THERE A RELIABLE PROGRAM OUT THERE FOR MAC THAT  
GETS RID OF DUPLICATES OR AT LEAST POINTS THEM OUT AND ANALIZES THEM?

THANX
gri