Examples:
- Ants from TreeBASE
- trichodectid lice from TreeBASE
- Bats from TreeBASE
- Frost et al amphibian tree
To create your own tree viewer, simply go to http://linnaeus.zoology.gla.ac.uk/~rpage/bigtrees/tv2/ and upload a tree. After some debugging code and images scroll past, a link to the widget appears at the bottom of the page. I'll tidy this all up when I get the chance, but for now it's good enough to play with.