@FlamePrincessϡ I once had an avatar that is changing automatically all on its own (long ago, not on Stack Exchange) and that was really cool. That won't work on Stack Exchange though since they don't allow dynamic images as avatar. :(
@ProgramFOX define this. Most ads based attack/malware relies on browser bugs to force a drive-by download. I use noscript, but sometime I ask myself if it is enough.