I like text smilies a bit more.
My favorites are:
xD
:3
:">
:]
>:o
=o
And of course, ;o or >;o. It's a good smiley. It's a very "whatever, man." smiley, but it can be used in a lot of different ways, from "go away", to sleepiness, to indifference. ;o
My favorite .gif smilies are:
:flounder:
And every kao and Monda smilie.