this is my first ever go at modding and if i decide to make more, i might only do such projects. here is my first ever mod:
RC 1162's Lightsaber (
http://www.lucasfiles.com/?s=&action=file&id=1432)
It uses a basic purple lightsaber model, so i don't think you need screens. the saber crystal can be placed only in a single bladeed saber, not a double blade or short blade. it has several cool properties un-upgraded to begin with, so i believe you'll find this enjoyable. criticism of any type will be acknowledged. Enjoy!!
PS: please forgive the lame biography given about the saber :)