When easy_installing, the votey images do not work. A checkout with setup.py develop works fine. This patch looks like it fixes it on my end.
Index: setup.py
===================================================================
--- setup.py (revision 3452)
+++ setup.py (working copy)
@@ -4,7 +4,8 @@
name='TracVote',
version='0.1',
packages=['tracvote'],
- package_data={'tracvote' : ['htdocs/js/*.js', 'htdocs/css/*.css']},
+ package_data={'tracvote' : ['htdocs/js/*.js', 'htdocs/css/*.css',
+ 'htdocs/*.png']},
author='Alec Thomas',
license='BSD',
url='http://trac-hacks.org/wiki/VotePlugin',