fly, one of ten found on the wall [11] - tried at first anagram of fly one of ten as this is 11 letters but nth. thinking dec from ten comes into it somewhere
held firmly one's attention perhaps [7] r?????? - would have said gripped but r is definitely right
how much profit it makes depends on events of course [7,4]
stir someone up, a bird perhaps to excitement [ 6,4,4] ?????? ???? ??g?