I present this handy guide to identifying all the flags of the participating countries:
http://www.cbc.ca/sports/worldcup2006/groups/ Far easier than having to sift through six pages of flags at
http://www.mailorderflags.com/worldflags.htm as I was doing before.
Sighted thus far today: the Netherlands (yay!), Portugal, and Mexico (many, many times). I think the Mexicans are winning the enthusiasm award, at least around here.
Alas, I appear to be alone in finding all this entertaining rather than annoying, at least in my household. Oh well.