APM: emacs perl mode questions

[Wayne Walker]

OK, Mark should be rolling on the floor laughing about now.

I need some help with emacs.

I have two issues.

1. White is not a background color!!!  Does anyone have some reasonable
settings for a proper (i.e., black) background in emacs?

2. I have a lot of programs I edit where the filename has no extension
and the #! line calls #!/usr/bin/sg-perl  so emacs doesn't go into cperl
mode.  What can I do to fix this?  In vim I can add 
# vim: ft=perl

Is there something similar in emacs?

-- 

Wayne Walker
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