Cryptic crossword No 3,161

891 - Wink Nudge - also available at https://ibendr.github.io/xwd/bendr/index.html along with over 500 more

Getting all that thematic stuff in was very clever! I especially liked 29a,21d. I have to admit I stumbled on some of the other themers and only worked out the wordplay after. Faves included 28a,30a,1d,16d,26d. NHO the reference in 3d, but it wasn't necessary to solve it - took me long enough, though!