Noelia:

mail.
Livejournal.
Dreamwidth.
I think so, Yes: graphics community.
Twitter.

Links:

Now We're Two: a livejournal Bruce/Gordon community.
the Pleiades: talented icon makers.
Summer of Giles: A Rupert Giles seasonal fest.
Writing in Shades of Gray: A website and archive of the talented Destinyawakened. Batman fics, fanvids and fanmixes.
Multifandom_pl: a liverjounal polish fandom community.