use the software w/o mouse

Please respect Windows design standards in that your menus are available by keyboard (ALT-F for File menu, CTRL-S to save a picture...).
Also it was great to scroll through a directory (open the previous or next pic in that directory) using Keyboard (say PgUp and PgDn keys).
Especially as you do not support batch mode it made your software much easer/faster to use.
Regards, Rainer