Simplify the following text for a Grade 14 native English-speaking person.
Original: Original images created by a Wikipedia editor are not usually considered original research â `` as long as they do not illustrate or introduce unpublished ideas or arguments , the core reason behind the NOR policy .
Simplified: Original images created by a Wikipedian are not considered original research , so long as they do not illustrate or introduce unpublished ideas or arguments , the core reason behind the NOR policy .