1. We have an artist overseas who had the work scanned at 300dpi and is sending .tifs over to us via email. The Files are huge, 300dpi, and look great but their file size is only around 3MB each... And the kicker... My iMac at work nor at home can open them with neither preview, bridge, PSCS4, etc, yet all the windows based machines at work CAN view them. It gets worse... If you open it in GIMP on the windows machines then resave as a .tfi again, it expands the file size to about 40MB at which point they DO work on my iMac in Photoshop CS4. Any ideas? I have never experienced anything like this before?