Complex sentence: After Jones was fired from Warner Bros, Washam with other animators working under Jones at Warner Bros. joined Jones at MGM; he also directed a few Tom and Jerry cartoons for release in 1967.
Split into simpler sentences: After Jones was fired from Warner Bros., Washam with other animators working under Jones there joined him at MGM. Washam also directed a few Tom and Jerry cartoons for release in 1967.