Erick Schonfeld over at TechCrunch tallied the unique photo files and found that ImageShack wins — for now. Facebook Photos coming up fast, perhaps.

From Eric’s post:

Image Warehouses On The Web (numbers are total images stored)

ImageShack: 20 billion
Facebook: 15 billion
PhotoBucket: 7.2 billion
Flickr 3.4 billion
Multiply: 3 billion
Picasa “billions” (?)