Cool collection of a type of cloud formation..
Here is my fave:

THATS NO MOON!
And some more just found on reddit
www.darkroastedblend.com/2006/11/lenticular-clouds-gallery.html
these are truly lully!
(, Mon 12 Jan 2009, 16:10, Reply)
they would be frowned at round these parts, we prefer our normal British clouds.
(, Mon 12 Jan 2009, 16:24, Reply)
Clouds that look like breasts!
news.bbc.co.uk/1/hi/magazine/7574684.stm and www.darkroastedblend.com/2007/04/mammatus-lenticular-other-extreme.html
(, Mon 12 Jan 2009, 17:56, Reply)