I came across your tool as I wanted to (finally) have proper wallpapers on my desktop since Windows' wallpapers suck (not only single monitor but also poor randomization). Your tool is working like a charm so far and the UI is looking good. But... the memory consumption is disappointing.
I could understand if it were for the first time when I had the GUI on, had to set it up etc. However, even when I manually start the programm with "MultiWall.exe -hide" it still uses about the same amount of memory. How much? 150MB. IMHO, it's too much for a plain wallpaper tool. Do you have any plans on reducing memory usage?
MultiWall-1.0.26-64bit
1) 1920x1080
2) 1280x1024
3) 1366x768
By the way, the installer is 32-bit thus defaulting the instalation folder to "Program Files (x86)"