I've tidied up the big phylogeny viewer mentioned earlier, and added a simple web form for anybody interested to upload a NEXUS or Newick tree and have a play. Examples:Ants from TreeBASEtrichodectid lice from TreeBASEBats from TreeBASEFrost et al amphibian treeTo create your own tree viewer, simply go to http://linnaeus.zoology.gla.ac.uk/~rpage/bigtrees/tv2/ and upload a tree.