Does this work? http://www.livejournal.com/customize/?layoutid=15&show=

The one I'm currently on is bottom left.

Also, switched to paid trial and took some screencaps of the comm and a big post. The lilac is a me thing, and like I said can be customized pretty easy.
what the main comm looks like (http://i337.photobucket.com/albums/n362/realisticfakefish/paradisacomm.png)
part of post and uncollapsed thread (http://i337.photobucket.com/albums/n362/realisticfakefish/paradisauncollapsed.png)
how a long, collapsed thread stretches (http://i337.photobucket.com/albums/n362/realisticfakefish/paradisacollapsed.png)