When the envelope of the results is first seen, it is being handed over to the woman as a pink envelope. When she is reading the results, the envelope is yellow.
When Kate first looks at the newspaper with Larry's full-page ad, there is a cigarette in her hand. In the next shot, the cigarette is gone.
Danny DeVito tells his executive assistant he wants his tombstone to say he never went to Texas. She responds, "Yes sir, I'll call the engraver." A guy who carves tombstones isn't called an "engraver." Who knows what he's called -- a carver, mason, chiseler? But anyway, not an engraver.