Thankyou, i have made the shield version on entry #15, i change the shape of KF letter become similar with the graphic on the knight's shield
http://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Coat_of_Arms_of_Lithuania.svg/528px-Coat_of_Arms_of_Lithuania.svg.pngPlease feel free to ask if you need to see other changes/revisions.
*about the simplicity, i think that is what should be on a logo, so it is easy to be remembered by people, because logo is an identity.