13a Funny how its drawn to Dermot Morgan and Ardal O Hanlon's journey in the papers ?O??? S????P
20a Doesn't go straight around a right angle shape, yet mixes seamlessly in with it ?L????
22a They give shaky horseman light relief during religious festival, usually in December ??N?R???
24a A hunt saboteur would claim the second part of this answer is bloody inaccurate ?P???????T
12d Being upset, hated others having such a bad time at the end ??A?H ???O??