On October 27, the Arkansas Supreme Court ruled that Dwayne Dobbins should not be on the November ballot as the Democratic nominee for state rep, district. Dobbins v Arkansas Democratic Party, 08-1225. The Court did not reach the merits, but said he had waited too long to complaint, and that he should have objected within 20 days after the party ruled against him. He filed his lawsuit on October 10. Here is the 5-page decision.
This news means that the Green Party nominee, Richard Carroll, is the only name on the ballot, although two write-in candidates are running against him.