bold:
<b>TEXT HERE</b>

italic:
<i>TEXT HERE</i>

underlined:
<u>TEXT HERE</u>

colored text:
<a style="text-style:georgia; letter-spacing:0px; color:000000; font-family:FONT HERE; font-size: SIZE HEREpx" target="_new">TEXT HERE</a>

link:
<a href=URL HERE target="_new">TEXT HERE</a>

colored link:
<a style="text-decoration:none; line-height:10px; color:#000000; letter-spacing:1px;" href=URL HERE target="_new">TEXT HERE</a>

squished text:
a style="text-decoration: none; font-family:FONT HERE; font-size: 11px; line-height: 8px; color:#000000; letter-spacing: 0px;">TEXT HERE</a>

horizantal line:
<hr color="#000000" size="8">

IM your screenname:
<a href="aim:goim?screenname=SCREENNAMEHERE&message=MESSAGE HERE" target="_new">TEXT HERE</a>

note:
where ever it says "#000000" in any of the codes, it means you can put a color there. all of the codes contain 6 letters or numbers. you can find a color chart here. you'll have to mess around with the fonts,
letter size, and letter spacing yourself.