No editor - Errors in FF console

I've installed the module and the tinymce files according to the instructions in install.txt but the editor doesn't show up.

When I check the error console in Firefox I see a heap load of CSS errors and this;
1)
Error: tinyMCE is not defined
Source code file: http://www.MYDOMAIN/?q=node/add/page
Line: 72

2)
Error: illegal XML character
Source file:
http://www.MYDOMAIN/modules/tinymce/tinymce/jscripts/tiny_mce/tiny_mce_g...
Line: 1, Column: 1
Source code:
<%@page import="java.io.*,java.util.zip.*" %>