Ok lets try this:
1. Create the torrent and make the upload as instructed in the video.
2. When you have done so look in utorrent, select a previously downloaded torrent from mma-torrents in your torrent list
3. Look on on the trackers tab in utorrent (on the previously downloaded torrent)
4. Rightclick on the URL and choose "Add trackers", a windows should open with a box with an URL in it.
5. Copy the URL in the trackers box and close that window.
6. Select the torrent in utorrent that you created and uploaded in step 1.
7. Look on on the trackers tab
8. Rightclick on the URL and choose "Add trackers", a windows should open with a box with an URL in it.
9. Paste in the URL you copied earlier and click OK to close the window.
10. You should now be seeding the torrent you uploaded.