@bellaboo16,
24d- monarchy symbol ORB
26d- summed up briefly,it`s where you find a kernel (2,1,8) IN A NUTSHELL
44d- your own legs as transport (6`1,4) SHANKS'S PONY
61a-ring-shaped patterns formed by flattening of cereals in field (4,7)
CROP CIRCLES
64a- french pool filler EAU