You create a custom graphics set and import the graphics set  into the course.
You share the graphics by giving the other course developer the course source files. They open your course and create their own graphics set using the graphics in the course.
 Step-by-step
5.15.1 5.15a Need more details? This Step-By-Step page will show you how.
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Web Course Builder Tutorial
| 1 | Building a Course | 
| 2 | Adding Page Elements | 
| 3 | Adding Tests and Surveys | 
| 4 | Changing the Appearance | 
| 5 | Managing a Course | 
| 6 | Using Service Bar Features | 
| 7 | Tracking Test Results |