During the song "White Lie" the child sitting to Loker's left is close enough to touch his chair in one shot. In the next shot he is in front of Loker and to far away to reach the chair. Then he's back again.
The Treasury seal on the glass building by the tractor is not the correct one (possibly intentionally). The real seal can be seen at www.ustreas.gov.
In the end, when Miss Angela kisses Loker, she reveals her Claddagh ring, the orientation of which indicates that she is in a relationship.