Having probs with this, but looking forward to getting it working!
No icon is showing up as indicated above. Here's what I've done:
1. Installed
fps_external.php, renaming original external.php to external.php.old and fps_external.php to external.php.
2. Made change listed in
this post
3. Installed
Wayne's RSS icon hack
4. Turned off RSS and turned it back on again, in admincp->options