In a regular reply, it's located to the right of where it says 'Sizes'. You'll see the letter A with a black line under it, and an arrow pointing down. Just click on the arrow.
If you do a quick reply, it's located to the right of the underline button, which is the U with the line under it.
Originally Posted by Dirty Knowledge
lol check 2, always bringing the funny jokes. that one made me really chuckle.