First of all: Would it be possible to run PDN in only one instance, but have several tabs open, as you do in Photoshop oder Gimp?
That would save a lot of work.
Secondly: Maybe someone would fix the Lasso Select Tool.
Once I am zooming in closer to an image, my computer starts lagging, and everything is going a lot slower.
Also, the color of the selection shape isn't really visible on dark images, how about changing it to some bright like silver/white (photoshop) ?
And last but not least:
Why not always keep some space between the image and the border to the buttons and