Phil
5) Replace the necessary language constants in the language files
6) And most important, open xoops_version.php and replace the two instances of "_MI_DIR_NAME" for "_MI_MODULENAME_DIR_NAME". In fact, also make this replacement directory wide.
1) You seem to have three content sections, each with several pages. I'd make three clones of Tiny Content and name them "About PNINS", "Events" and "Teams". Then I'd feed the content using Tiny Content's editor, in order to build the navigation block. An at the end, I'd put the three navigation blocks together to form the complete left menu. This way, you'll be able to edit every page using Tiny Content's built-in editor.