there are a few ways of doing this.........
1)in user control panel make sure you pick WYSIWYG editor: (it's "user CP" on left, then "edit options"
Message Editor InterfaceWhen posting messages to the forums or other members, there are three interface types available to you. The simplest of these is a simple text box, while the last is a fully-fledged WYSIWYG editor, which allows you to format your text as you want it and see the results immediately.
Depending upon the capabilities of your web browser, you may not be able to use all of these options. If you experience problems when posting messages, try switching to a different interface type. Basic Editor - A simple text box Standard Editor - Extra formatting controls Enhanced Interface - Full WYSIWYG Editing Message Editor Interface:
2)When posting, always click "go advanced" option.
3) click on "manage attachments"
4) find your pics (up to 8)
5) upload
6) submit