Originally Posted by Roben
You might want to have a look at some of the patterns designed by the fabric designer of the American Jane series and see how other panels have been used (especially the Let's Pretend one; it looks like those are rectangular as well.)
http://www.americanjane.com/patterns.php
That could give you some ideas.
that's exactly what I need: examples to copy! Thank you! And it doesn't look that difficult either, which I definitely must think about!!!