1. Edit the Profile Display Part
2. On the bottom row of the tool bar, the last button on the right-hand side is the Insert merge fields button.  Click that
3. Click on the plus sign to expand the Profile Fields node or the User Fields node as appropriate
4. Click the desired field, and, holding the mouse button down, drag and drop the field into the desired location, or highlight an undesired field and press delete
5. Repeat for any additional desired field.
6. Click Save