12a. The corny movement in the little photo is brilliantly colourful (11) ?Y?O?E????? is it Pyrotechnic ? 10a. Control room for basic building block (4,4) ?T?? ?E?L is it Stem Cell, 5d. Temporary fashion garment (9) ?A???H???. 6d. Paul McCartney to grab welcome coffee (9) ?A???I??? 16a. Material for Greek character by Welsh river (7) ?A?????. Thanks for any help