There are some posts/threads that I found around the site that don't need to be moved here, but otherwise have good ideas that you might want to consider.
http://originaltrilogy.com/forum/topic.cfm/How-deeply-rooted-is-suck-in-the-Prequels/topic/10935/
http://originaltrilogy.com/forum/topic.cfm/The-Emperors-New-Clones/topic/11008/
http://originaltrilogy.com/forum/topic.cfm/Luke-VS-the-Emperor-What-if-Vader-hadnt-been-there/topic/11026/
http://originaltrilogy.com/forum/topic.cfm/When-did-the-Jedi-become-monks/topic/8748/
http://originaltrilogy.com/forum/topic.cfm/Why-the-hell-did-the-lazy-Emperor-even-think-Luke-would-join-the-dark-side-and-become-his-new-apprentice/topic/8657/