Yours magazine 155 cryptic
5d Stop and bait the mouse trap (6,2) -h-e-- --
24a Current means of increasing an aircrafts speed (4,4) -a-l -i--
20d Detect the absence of a pound and a book (6) --s-a-
I agree with 'Cheese it' although i had to look it up as I haven't heard of it.
Cheese up sounded familiar but on checking it has two different meanings.