Share them with all your friends, post on their walls and pages etc. Link them together in creative ways. Link to them from your main site.
In order to get your web 2.0 properties indexed you have to point some backlinks to them so that the Google's spiders could find them and index them
zones88, you're asking for an infraction with a post like that. Try actually typing a message. Join the discussion. Posting saying hi and a couple words related to the thread is going to land you in a bad spot. Blogs are good for helping your site properties get indexed faster.
You have to get backlinks to your web properties 2.0 sites, then only those will be indexed, specially, you have to do lots of social bookmarking, that really helps for indexing by Google.