These are more funny signs:

http://media.ebaumsworld.com/picture/Some/funny-sign1-tm.jpg

http://www.betweentalk.com/attachments/jokes/190d1196381112-funny-signs-good_luck_sign.jpg

http://www.premierphotographer.com/funny_signs_6.jpg

http://eightsolid.com/wp-content/uploads/2007/10/17.jpg
Wooooooooooooooooooooooooooow...

http://www.popular-pics.com/PPImages/funny-signs-warning.jpg
http://www.betweentalk.com/attachments/jokes/185d1196292037-funny-signs-funny_tops.jpg

More worried about the animals than the humans... lol

I want the toilet one!