Today is the ever so popular Mardi Gras and some of the search engines have special logos for the day. Google, Yahoo and Ask.com are missing logos, but AOL, DogPile, Live.com and others have logos. Let me archive those logos for you below:
AOL's animated logo:
We, the Search Engine Roundtable, have a special theme up:
Today, supposedly is also international pancake day and PPC Heros has a special something for that.
Forum discussion at Search Engine Roundtable Forums.