This is really as simple as falling off a log but sounds a lot more complex than it is. The first couple of times seems like there is glue on your feet.
Start as you normally do to post a comment but
Click on the
Go Advanced button
Scroll down a little and click the
Manage Attachments button
.....This will open an additional window/tab
Click the
Add Files button (upper right hand corner)
.....This will open a pop-up window
Click the
Select Files button in the pop-up
.....This will open your browser's file selection button.
.....Locate your picture directory and select your photo(s)
.....Depending upon your browser, you can select one or more pictures at a time
Click the
Open button after you have selected your pictures
.....The actual button word may be different between browsers)
.....Your file(s) should show up in the original pop-up window on the right.
Click the
Upload Files button
.....After the file(s) are uploaded they will be shown as thumbnails at the bottom of the screen
Click
Insert Attachment - under the thumbnails all the way right
.....You will be returned to your post and will see your attachements listed under the
Manage Attachments button