1. Go to a picture storage site like Photobucket. http://photobucket.com/

2. Create an account.

3. Upload pictures

4. Go to picture and right click on the picture

5. Using drop down menu and select copy

6. Go to your post and right click in the post frame and click paste.

Or you follow 1-3 and then use the 3 or four alternative ways to post a picture.