You can open tickets for fixes, fork and submit your changes through pull requests on tracks github

Joomla uses the concept of hooks to integrate plugins with components, see http://docs.joomla.org/Tutorial:Plugins

Here are the hooks for tracks group plugin:

used in: view/individual.php

parameters:

• userid (int)
• object: ref to the object to return be returned. The text property will be used for display
• attributes: associative array of attributes to add to the link

purpose: allow to link to community profile for user