Hi SOS and
to the Gnutella Forums.
Make sure the Bitrate Field from the ToolBar is enabled.
Try different Search Methods, and the "All Types" Tab.
Video Generally won't show a Bitrate, so make sure you use the Audio or All Types Tabs. Below is another possibility of the results your seeing.
The Gnutella Network is Loaded with Viruses, Worms, Trojans, Spam, Fakes, and Corrupt Files. Prolly what you're finding.
Here are a few Links that will help combat some of these issues and will show what to look out for.
* WARNING: Viruses on network you should be aware of ! * good file or bad file
This will get you started.