Hello,
I have to admit at first that this project is a very good job! Congratulations!
In addition in this post, I would like to highlight, some bugs I found while I was testing the project if they can be considered as bugs of course.
First of all, I observed that when I tried to add an image named the same, as an already added image, the program replaced the first image without any prior warning or question.
In another test, I added an image in the program and I did a change on it (I chose 2 or 3 options on the menu Process in this test), and in all changes I removed the tick from the option "do not change the names" in order to create another image without replacing the original one. That was ok and a new image named 0.jpg was created with the changes I chose from the Process menu. When after that I added the changed image with the different name (named 0.jpg by the program) and I did again changes on the new one image (0.jpg) with de-selecting again the option "do not change the names". But this time the program actually didn't change the names and the image named 0.jpg was replaced with the new one.
I forgot to refer that I did the tests on Windows 7 operating system. So, every time I was clicking on the "Show desktop" button (button at the right down corner of the screen in windows 7), the program was closing and disappearing from the taskbar where it should be remained minimized.
At another test, I observed that when I wanted to add an image from a folder, the program had not the option to choose the image file I wanted and I had every time to select whole the folder which was containing that image, with any other images the folder contained.
I really liked that program and I will continue to testing it and noting any other bugs maybe I will find in order to help. I hope the bugs I already mentioned above, be understandable and I'm sorry for any mistakes in my English.
Thank you in advance.