To Post Pics:
1 at the right under the reply window click on - Go Advanced (blue button)
2 then scroll down until you find- Manage Attachments( blue button)
3 Click on Manage Pictures
A window will open up.
In the window you will see
Upload Files from your Computer
Here you'll see a window with a Browse button.
Click on the Browse button
In the window that pops up you can find the file where your picture is.
Click on your picture and then click on open.
After your pic is loaded into the browse window
click on upload that is under the browse window
Continue adding more pictures if you want.
When you are done adding pictures
Click on close this window.
Now you will be ready to post your reply