Your search for swing arm wall mount returned the following:

Full-motion wall mount with articulating arm for small LCD TVs

IN STOCK

6 people say 

• for TVs up to 27" and 45 lbs.
• tilt range: +15° to -15°
• swivel range: 90° left to 90° right

Full-motion wall mount with articulating arm for small LCD TVs

LOW STOCK

2 people say 

• for TVs up to 27" and 45 lbs.
• articulating arm positions TV up to 8" from wall
• tilt range: +15° to -15°;swivel range: 90° left to 90° right

Adjustable wall mount for 13"-27" tube TVs (Black)

IN STOCK

7 people say 

• for 13"-27" TVs up to 100 lbs.
• tilt range: 0° to -10°
• swivel range: 70° left to 70° right