Module development and code questions

Does Flexiblock works for 4.7?

I get this error:

Fatal error: Call to undefined function: form_checkbox() in /public_html/drupal/modules/flexiblock/flexiblock.module on line 141

I am working on a classified ads module that integrates with Drupal, and possibly release it to the drupal community if there are sufficient interest.

How would I go about tweaking my user page so it displays people's interests as links and keep them all categorized in a taxonomy type structure like on drupal.org? If you go and view my profile here: http://drupal.org/user/42008 and then click on one of my interests it will then take you to a page with everyone else who has the same interests. Does anybody know how this could be achived?

Thanks!

I'm sorry that I didn't really know where to post this, but is there a module that I can install to allow users to comment on other users' profiles? If so, is there a module that has to be installed so that module can function correctly?

Thanks
Natsuki Orsiko

og module for forums, freetagging, taxonomy, access i18n and probably more that I don't know about. These modules all have new, old , conflicting and not working patches are just glorified hacks to the core. Yet they all have contrib status. Add to the confusion with the fact that a patch only applies to a certain version of a module and the modules have no versioning. To the average joe like me this is all very confusing and impossible to fix and keep track of.

There's got to be a better way!!!

Is it possible and how, do I create pages within the modules script?

You have the normal pages...form, main, settings, etc. Plus, I have a custom overview page.

But, how do I add more than one custom page?