1: Mrs Schmidt's penny is fake (5)
2: Weird eastern lake (5)
3: Hints from close friends (9)
4: Arcking shot from Bill O'Brien (3)
5: Hear Native American appeal (3)
9: Nothing, nothing in shape (5)
10: Lug worm finally being a symbol (5)
11: Grant loud colour (3)
12: Height is equal to three-fifths of the first one (3)