@t31os_ That's why the 'One Line' is important there :) I have very little in my functions.php for ipstenu.org (my other site is way more complicated and has a fugly functions).
The credo came from this line actually:
Someone pointed me to a weighty plugin to do the same thing, and someone else gave me that line. I was ecstatic and decided that if ONE line in a functions.php file could do it, provided I comment it correctly, I'm not using a plugin that mighht ave other conflict issues down the line.
If I have something that's complicated or needs lots of options or frequent tweaks, even IF it's small code, it ends up a plugin. But that was my reaction to overkill :)
@sandeep4688, good luck with functions :) They're fantastically useful.