Seems like I can't really edit any images with iphoto's built in image editing feature. Trying to rotate, remove red eye etc always distorts the image to this:
Try the easy fix first: delete the iPhoto preference file, com.apple.iPhoto.plist, that resides in your User/Library/Preferences folder. Launch iPhoto and try again.
Same issue here on my iMac. I upgraded to Snow Leopard with iPhoto already installed and updated. I was hoping 10.6.1 would fix the issue, but it looks like it does not.
I have exactly the same problem since I installed Snow Leopard. It's the same with previous versions of iPhoto (8.04). I think that the bug is in Snow Leopard. Hope it will be repaired soon.
I am also having this editing issue while in expanded mode. I get green or red image with diagonal line. This started after downloading upgrade to snow leopard. I haven't seen fix yet.
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Images distort while editing
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