Complex sentence: While a fortunate accident, the poster went on to become a fan favorite as well as the director's, as the original art hangs in Lucas' Northern California home, thus beginning Struzan's long association with the "Star Wars" series.
Split into simpler sentences: While a fortunate accident, the poster went on to become a fan favorite as well as the director's, as the original art hangs in Lucas' Northern California home. Thus began Struzan's long association with the "Star Wars" series.