You can inline an image from TBS by including a link to the image with this syntax.They can be placed at left (default), middle(space at start and end) or right (space at start). The size can be altered as well.
{{https://www.thebackshed.com/forum/avatars/cct3.jpg|My Avatar at left}}
{{ https://www.thebackshed.com/forum/avatars/cct3.jpg |My Avatar middle }}
{{ https://www.thebackshed.com/forum/avatars/cct3.jpg|My Avatar at right}}
{{ https://www.thebackshed.com/forum/avatars/cct3.jpg?100 |My Big Avatar middle }}