How To Display Thumbs From Category Only?

[kenhirai]

Let say my group is Teen Anal and there are 200 galleries, how do I only show them on the main page? please provide example of template

[admin]

<thumb group=Mygroup num=1-10></thumb>
by ID <thumb group_id=5 num=1-10></thumb>
list of categories <thumb skip_group=Mygroup,other_group num=1-10></thumb>