Quote Originally Posted by SmartWombat
Ah, I used the Constrain Size in the Export settings to maximum 640x640 and reduced the quality for the JPEG output. It seems to have worked quite well for forum posting ...
I started to do the same thing. But the export dialogue is missing an unsharp mask option - at least as far as I can tell. So I felt like I had to open it in Photoshop in order to resize and apply unsharp mask.