The first time Miranda sings at the Blue Bird the application that is rejected has a different name on it.
When James and Kyle fight in the parking lot of the Bluebird after Linda Lou wins 4th prize in the Miss Nashville pageant, Kyle falls. Linda Lou is on top of Kyle in one shot, but in the next, she is behind him, squatting down.
When James and Miranda get married in the mini-mart, there are four other customers watching them, but only James' truck is out front.
In the scene when James meets with a record label agent after performing, Miranda is closing up the bar, however it is obviously day time outside with cars and people going by the windows.