The Arkansas rental agreement should be filled out in accordance with the Arkansas Landlord-Tenant Act. The agreement should include all the necessary information, such as the names of the landlord and tenant, the address of the property, the rental amount, the length of the lease, the security deposit amount, and the terms of the agreement. It should also include any additional information that the parties agree to, such as pet policies, parking regulations, and other provisions. All parties should sign the agreement and keep a copy for their records.