Module development and code questions

I am developing module that uses nodeapi to add two additional fields to nodes. How can i include these two new fields in the rss feed for the node?

Thanks

I have know idea how to do this, but was checking out this script, http://cit.ucsf.edu/embedmedia/step1.php and thought it could be something cool to include in Drupal. Could be a good interface to help users display media.

I'm developing a module on top of the organic groups module which already defines the 'og' node type. I want three more node types: og-pages, og-news and og-events. I was using flexinode for these at first, but I need to have a 'ranking order' field for each node type which I can easily access in a page block so as to order the node listings their accordingly... flexinode doesn't seem to make such things easy. There are also a few other things lacking about flexinode, so I thought I'd define the nodes myself.

I really like the way of inputting math symbols used in www.wikipeida.org (or in their Mediawiki). Is there any way to port that kind of math inputting filter into Drupal? Thanks a lot!

Hi, I have a new module that's a node, and i want to add tabs to node create/edit b/c the node captures a lot of data. Since it's a node, it uses hook_form(), but i can't see how to add tabs to my hook_form() code. Is there a way i can add tabs to the myNode/add? I tried using hook_menu() and added tabs and callbacks, but that didn't work; each tab simply has the contents to hood_form() no matter what i put in the callback.

Any advice??

Thanks,
m

I have a vocabulary and I have a few flexinodes.
When someone is posting a new content of a certain flexinode, I need the form to let him choose from a selection of vocabulary terms and not the whole vocabulary.
Any help on this?
Thanks in advance.
L