15d, 2words, 4.4. ???? ?I??, Flamboyant Grant's is Aquarius.
16a, 8lets, ???t???h, Pick out assorted thin cuts.
17d, 7lets, ????a??, Cooked Navarin - sheer bliss.
21a, 6lets, ???s??, Make mistake about every other letter of answer? You need this.
26a, 8lets, ???l???e, Standard equipment for jousting in a manner of speaking.