in reply to 404 image errors
You should consider running your scripts under taint mode and validating the incoming data. See perlsec and Essential CGI Security Practices for more details.
Using strict and warnings will also save you a lot of debugging time.
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (499 votes). Check out past polls.