1) Click the POST REPLY or QUOTE button as you normally would to reply or quote a message.
2) Near the bottom of the reply screen find a button that reads "Browse..." and click it.
3) Within the new dialog that pops up, make your way to the file you want to attach on your computer.
4) Select the file, then click OK.
5) Click ADD ATTACHMENT.
6) Complete message.
7) Click SUBMIT or PREVIEW.
You're done.
It should all work, but if it doesn't after you follow these instructions, let me know by posting it in the Feedback forum:
http://www.methuenhighschool.com/index.php?name=Forums&file=viewforum&f=16