Choose "Go Advanced" for a new post or edit an existing post.
In the window where you can choose the font type, size and color are a bunch of icons. If you click on the one shaped like a globe, it will ask you for the text associated with the link, then the URL for the link. Once you have entered both of those items, you can have a word be clicked on with a link.
If you need more help, let me know.
Anything listed on the park maps as an attraction is fair game for inclusion in the Rally.
I cannot confirm nor deny the inclusion of any attraction in the Rally.