C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\GLOBAL\Lists\USERS\schema.xml (by default)
****** IMPORTANT : YOU NEED TO REBOOT SHAREPOINT TO HAVE THESE CHANGES SHOW UP****
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find the height /width in TWO(2) places in the file:
make this Width="300" Height="200" this is the pic size when you click in for details on the person
"
make this width="88" height="77" this is the listing pic size
