Possible Clues:

• Unwanted art the UK fliers fit into the US military, man
• Good service, appropriate with one style of artwork
• Wall scrawls!
• Read this at your convenience?
• Airmen able to stop half-cut lass writing on wall
• Art form that's one of hip-hop's four elements
• Grand artist and I squabble about muralist's works
• Making RAF fit into absorbing outdoor display
• In joining RAF, fit inductees get marks written up
• Artist, after good argument, mounted current painting on the wall