Most guilds on mid/limors are gg's that have moved over.
To apply for NFD you need to post an application up on
Na Fianna Dragun Guild & Alliance Forum - Index
Expect same process for tedious ten - google "tedious ten" to get their forum page.
Not sure about Arctic Rose, they could well have a couple of spots as think they are currently rejigging their fg for rvr after 'artistic differences'.