If your changes are not showing up in Preview, (http://spacecrafted.com/preview) try the following:
1. Refresh the Preview page
2. Make sure you have selected all necessary Save buttons
3. Close any multiple Dashboard/Design/Content tabs
4. Make sure that the changes you made were recognized in Content
If you are still having problems, reach out to SpaceCraft Support at (888) 534-2183 or firstname.lastname@example.org.