Image backgrounds revisited
You can use SG annotation to display graphs inside of other graphs.
Tag: SGAnnotate
Advanced ODS Graphics: PROC SGPLOT, BY groups, and SG annotation
You can use PROC SGPLOT, BY variables, and a SG annotation data set together to put separate annotations into each BY group. However, you need two more steps to make it happen. This post shows all of the steps necessary to put different annotations into each graph when you have a BY variable.
Advanced ODS Graphics: DRAW statements (part 1)
DRAW statements provide to GTL what SG annotation provides to the SG procedures--a way to add text, shapes, lines, and arrows to graphs.