Smiley ☻ Expression
Smile-tpvgames.gif Simple Smile is usually written like this, :) or (: or :] or [: or =) or (= or :-) or (-:
It can also be done by using ALT + (keypad) 1, getting ☺. Or also the same thing only using: 2 getting ☻
Confused-tpvgames.gif Confused Smiley is usually written like this, :S or S: or :/ or :\ or /: or o_O or O_O or o.O or O.O

It is also known as "a dolleke", see famous person.
Sad-tpvgames.gif Simple Frown is usually written like this, :( or ): or :[ or ]: or :'( or )': or :-( or )-:
Shocked-tpvgames.gif Shocked Smiley is usually written like this, :O or O: or :o or o: or :-O (with nose) or D:

It can also be done by using ALT + (keypad) 0246, getting ö.
Misc-tpvgames.gif Smiley with Tongue sticking out is usually written like this, :P or q: or :p

If you use ASCII keys then, :Þ, is also possible. Press ALT + (keypad) 0222 for "Þ"
MilesSmile.png Smiley with big grin is usually written like this, :D or :]] or [[: or XD