[Plugin: Advanced Most Recent Posts] Feature/Hack request

Just installed this plugin at my site:

http://www.hoteles-economicos.info/

And it is amazing! I just have 2 features that I would love.. or maybe there is already a hack for it?

1. Randomize recent post. So that it would display random posts.
2. As there is a Categories field where you can put in the ID’s I would LOVE a Post field where I can write the ID’s of the posts I want to be displayed.

Any one knows how to do any of these? AWESOME plugin!

http://wordpress.org/extend/plugins/advanced-most-recent-posts/