Possible Clues:

• Beginning of a quote by 3-/31-Down on which Stephen Colbert commented 'I hope teenagers aren't watching this right now'
• Artist's asset
• Inventiveness
• Inventive or imaginative power
• Caught it in variety show - Off With Imagination
• Talent of endless variety flourished in town
• Accommodating soldiers at four in populous place shows imagination
• Line out of Albert's theory at first caught imagination