I’m having problem because i don’t see images on my Visiotors page. That’s annoying. I have piwik 1.11.1.
Here is what is missing: https://www.evernote.com/shard/s2/sh/61019469-ad78-4e72-a730-85641dc0a505/c8d26b0ed6afcfa1d5f9a8b7701df66f
Check your server logs and make sure the GD library is installed on your system.