15d, 2words, 5.4. G?p?? ????, Insecure pygmy shot six footer.
20a, 8lets, ?o?o???s, They're said to be the same but they don't mean it.
22a, 6lets, ?e?r??, odd fish party spotted behind dam.
26a, 10lets, ??l?o?r?p?, Camp kind of guy following priest in fashionable shade of purple.
15d Gypsy moth - anag 'pygmy shot'
20a Homonyms - words with the same sound but different meanings
22a Weir-do
26a Heliotrope - 'rope' (camp [as tents] kind of guy) (after) ''Eli' (priest, in) 'hot'