WordPress MU

hi all,

please, can you give me a solution or a way to find a solution to this problem, so, i will explane more the situation.

for exemple, i have 3 blog (blog1, blog2, blog3), in the blog2, i have the postX, and in the blog3, i have the postY. What i whant to do, is display postX and postY in blog1.

i don't know who can i do, but i'm waiting to a respons.
thanxxx

Use an RSS aggregator.

I use the sitewide feed plugin to create an RSS feed for all my blogs, and then I format and display the feed on my front page. Same for comments. Very easy if you just want to grab everything. If you only want certain blogs, then just grab those specific blog's feeds.