It's pretty simple really. All you do is go to the blogs tab and select the blog you want your linkblog to show up on. There's a dropdown box for "default linkblog" where you pick which blog will be the linkblog for the blog you're on.

Confusing? So lets say you're posting posts on blogs 2 and 3 and want to use blog 5 as the linkblog for each of them. You pick blog 2 from the blogs tab then select blog 5 from the dropdown box. Repeat for blog 3.

Ok, I solved the issue: it was a problem of LEAF skin, that doesn't implement by default an include in _main.php. So, if you want to let entries in linkblog appear in other blog' sidebar, you must include in your _main.php something like this:

<?php // -------------------------- LINKBLOG INCLUDED HERE -----------------------------
						require( dirname(__FILE__).'/_linkblog.php' );
						// -------------------------------- END OF LINKBLOG ---------------------------------- ?>

Obviously, this hint is not meant to help you, EdB, since you're a b2 guru :) It's to help any ohter newbie that would have the same doubt. Sharing know-how ;)

Furthermore: you answered to mine a., b. & c.; what about d. question?

Thank you very much,

Francesco