sorry, still no luck:
[dulithgow@3e6b2815 downloads]$ md5sum -c [Linux.Fedora.Core.3].md5 checksums.txt
md5sum: only one argument may be specified when using --check
Try `md5sum --help' for more information.
[dulithgow@3e6b2815 downloads]$
Is this just becasue of the blank space in the filename?