A spreading scam is exposing Facebook users to malware. An email arrives with "One of your Friends added a new photo of you..." and it needs to be ignored.
The jist of the note is that one of your friends added a photo and that you're listed as a close friend. Included is a slick, Facebook-like blue greeting. The click button reads, "View photo with you in the attachment." Yeah, don't be clicking on that.
Check Facebook Security for any additional measures you can take to protect yourself. Bottom line: don't open attachments unless you know the sender.