Linksys WRT54GS v7

[Kestral]

Here:

http://utorrent.com/faq.php#Special_note_for_users_with_Linksys_WRT54G_GL_GS_routers

I do not understand what in the world to do.

It's complicated, so I'll put it simply:

Which firmware should I use.

How do I install it.

What do I do when the router gets bricked.

I don't want to risk it with the instructions provided, since they seem too vague.