1.6a1
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 Feature: Watermarks.  You can put some text like "2003 by Me!" right onto the image.
 Enhancement: You can pick whether clicking on the scaled image will download the original unmodified image.

1.6b1
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 Fixed: -48 error when exporting but thumnbnails turned off.
 Fixed: Sometimes descriptions would appear to be duplicated from one image to another.

1.6b2
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 Fixed: Crash sometimes when adding new images