You may or may not have seen these on your friends' BBM profiles. They are the latest craze and are pretty cool. Some look totally invisible or like a default icon UNTIL you hover over them! Then the hidden picture/message is revealed! Pretty cool. Here are some of my favorites:
To put one of these on your BBM profile, just save it to your SD card and change it to your profile pic.
Any questions? Just let me know in the comments!