DjVu Samples
http://asa.aip.org/djvu/1941/13-2/index.html

JPEG 2000 Image
http://www.linuxj2k.org/

Macromedia Flash
http://www.macromedia.com/software/flash/about/

PDF Document
http://ftp2.ansi.org/download/free_download.asp?document=ISO%2FIEC+9899%2FCor2%3A2004

RealPlayer 8 Streaming
http://www.seattlechannel.org/videos/

RealPlayer 10 Streaming
http://www.jet-stream.nl/samples/rm.html

SVG Demos
http://www.adobe.com/svg/examples.html

VRML Examples
http://www.web3d.org/x3d/content/examples/help.html

MPlayer Plug-in Tests
http://mplayerplug-in.sourceforge.net/testing.php

Tcl Plugin Demos
http://www.tcl.tk/software/plugin/applets.html

Squeak VM plugin tests
http://www.squeakland.org/plugin/launch.html

Citrix ICA Client demo
http://www.rentonlinesoftware.com/store/tryademo.asp

Debian bug #435912 (focus problem)
http://www.addictinggames.com/bloxors.html