Go to a site called
imgur.comOn the upper right hand side, click "Computer".
Select the picture file on your computer that you want to share.
Choose the "Start Upload" button.
Click "Save"
On the right hand side, left click once in the box that says "BBCode {message boards & forums}". Then right click once, and choose copy.
Come back to RV.net, and in your post or quick reply, right click again and choose "Paste".
Hit post message, and voila, your picture will appear. It sounds more complicated than it really is.