Here are the directions:
1. Like normal, go down to manage attachments.
2. Do the whole browse, open, upload routine.
3. Then "close this window."
4. Now, scroll back up to where you type your message and look up top.
yt.jpg (<---click picture). See the paper clip? Press the little down arrow next to the paperclip. Go to the picture/pictures you just downloaded and click on the name. Then they will go right into the post.