My /etc/yum.conf looks like this and yum runs like a champ, 200Kbytes download:
[main] cachedir=/var/cache/yum debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=fedora-release tolerant=1 exactarch=1
[base]
name=Fedora Core Mirror Technical University Delft $releasever - $basearch - Base
baseurl=ftp://alviss.et.tudelft.nl/pub/fedora/core/$releasever/i386/os
[updates-released] name=Fedora Core $releasever - $basearch - Released Updates baseurl=ftp://alviss.et.tudelft.nl/pub/fedora/core/updates/1/i386
[mozilla-seamonkey] name=Mozilla SeaMonkey Releases baseurl=http://ftp.mozilla.org/pub/mozilla.org/mozilla/yum/SeaMonkey/releases/1.6/redhat/1
-- peace now, that is good for all of us http://gershwin.xs4all.nl