Here's the compilation of responses I received regarding image 
sizes. Thanks to the those who contributed.

 From three units and one large project, we've identified 21 
different image sizes. Details are attached. One breakdown:

* 3 banners
* 3 squares
* 4 verticals
* 7 horizontals
* 4 variable (resized images with a max length for the longer side)

I'll leave you to divine what you need from the attached. Suffice it 
to say, other than our likes for aspect ratios like 4:3, 3:2 and 
16:9, there wasn't much in the way of alignment, although some of 
the sizes are awful close.


-- 
Peter Wiringa
Electronic Communications
University Relations
University of Minnesota
(612) 625-3252
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"I gotta hold on to my angst. I preserve it because I need it. It 
keeps me sharp, on the edge, where I gotta be." - V. Hanna