Everyone appears to have solved this quiz quite easily as not many chats concerning it. However is it possible for clues on the following; I have looked at the previous chats and still havent got number 21.
2. Colonists developing spare film - right? (7,7)
4. King George and son got together to see the relative. (8)
21. A husband, old Bob, took Penny on the river ..... (6)
24. Abandoned, a comely urchin's found in the library. (2,6,6)