First of all thanks a lot Andrea for this excellent program, I love it!

There is just a small thing that bugs me a bit:
I might be a bit confused, but I cant find a Pause Button.

My archive is pretty big (9000 pics) and I dont want to reduce it. It happens that it takes pretty long of course to make one mosaic and it slows down my PC.
Now ususally it's no problem, but sometimes I would like to pause the process and continue at a later time. As far as I see, there is no pause, so the only option is to STOP mosaic, which cancels the process and next time I have to start all over.

Is there a way?

Indeed there is no Pause button. It is not difficult to add this feature in a future release but even if I add it then the program will not release all the used memory. But I add the pause button in the wish list.