Continuity mistake: Frasier is in Mr. Safford's study talking to him. As Frasier says "a little unconventional," his right hand goes up to his chin, gesturing. As Safford answers, Frasier's hands are grasped together in front of him, with no time for natural change.
Continuity mistake: Frasier is arguing with Niles in the kitchen and removes a large bottle of water from the fridge. He takes off the cap, and pours water into a glass. Immediately the shot shows the bottle capped again while Frasier and Niles continue talking.
Answer: In the last episode, they explained that Tossed Salad and Scrambled Eggs is a metaphor for the mixed-up people to whom Frasier dispenses his radio psychiatric advice.