This is a tiny C# application I wrote a while back that allows you to copy/paste files via the clipboard.  The main scenario I use it in is when I have multiple command prompt windows open and I want to copy files from one to the other without having to type in paths, etc. 

Usage Information:

usage: ezClip [copy|paste] <list of files>

For example:

  'ezClip copy somefile.txt myapp.exe'
   will copy somefile.txt and myapp.exe to the clipboard.

  'ezClip paste'
   will paste any files that are in the clipboard into the current directory.

Download:  [Executable] --- [Source]