The most common and most likely answer to this crossword clue is the 5 letter word OSCAR
I've seen this crossword clue in The Sunday Telegraph
O
S
C
A
R
More clues leading to the result OSCAR
- Oversized motor wins award
- One close to Mike has nothing on Mark
- Film award for Mr Hammerstein?
- Eg Hammerstein’s very large limousine
- Actor’s prize is outsize limousine?
- O for someone on the radio to get a Hollywood award
- Award over evidence of injury
- Australian funds prestigious award
- Mark follows old man
- Mark’s overwhelmed by love letter conveyed in aircraft?
Buddy explains!

The straight part
We know that "picture award" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case picture award = oscar.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OSCAR mean?
OSCAR noun- Astronotus ocellatus, a cichlid fish, native to South America, sometimes kept in aquariums.