Gmcp is an easy alternative to gmailFS, also allowing you to copy files to and from your Gmail account. Fetch it from here
gmcp 1.0 usage:
-u username that part before @gmail.com
-f filename filename to download/upload
-s upload mode (default is download)
-r resume download (not supported by gmail - future use)
-v verbose mode. displays some info messages
-h this help screen.