not so user friendly

I have installed unclutter and started using it. It looks very neat but there are some issues that I do not like.
(i) I cannot find an easy way to move files from the desktop to the files window. To do this I have to undock the window, move it to the desktop and then move files there by drag and drop. Not really easy. Direct dragging doesnt work because the pulled down window bar vanishes as soon as you klick somewhere else but into the window bar. I admit that I am not an expert Mac user, but I am alos not a complete computer novice.
(ii) The clipboard window is nice, but how can I access the files listed there? So far I can only see text in the clipboard.
(iii) When working with multiple screens the behaviour of the window bar is strange especially when the additional screen is placed above the first screen.
So- I am not completely satisfied. My ratig is 3 stars.

Radebeul about Unclutter, v1.0.1