Both Yahoo! and Ask Jeeves have special Valentine's Day logos up, while Google is currently conducting its Olympics logo series. For documentation purposes, you can click on them to be taken to landing page they are taking you to, here they are.
The search engine companies are not the only ones celebrating Valentine's Day, the search engine communities forums are also. Including Cre8asite Forums and Search Engine Roundtable Forums. Here are there respective holiday logos, clicking on them will take you to the Valentine's Day threads for the respective forums.
