Trying to get the ultimate short codes to pull in the posts

I recently downloaded ultimate shortcodes. I have created a wigitized menu with the short code inside.
[su_tabs][su_tab title="Today"][su_posts cat=announcements][/su_tab]
[su_tab title="Announcements"][su_posts cat=Content 2[/su_tab]
[su_tab title="Calendar"]Content 3[/su_tab][su_tab title="Family & School"]Content 4[/su_tab][su_tab title="Athletics"]Content 5[/su_tab][/su_tabs]

As you can see I am trying to get the posts to show up under their respective headings. I have made several categories. I also have placed a widget so the tab box will show up. http://www.st-raymond.org/school below is what I ultimately would like to end up with