Here are one or two examples to get you going:
Adam and Eve - Rhyming Slang for 'believe'.
Alan Whicker(s) - Rhyming Slang for 'knickers'
Ayrton Senna - Rhyming Slang for 'tenner'
Battle cruiser - Rhyming Slang for 'boozer'
Boat race - Rhyming Slang for 'face'.
Bob Hope - Rhyming Slang for 'dope'
Bo Peep - Rhyming Slang for 'sleep'
Borasic lint - Rhyming Slang for 'skint'
Bread - Rhyming slang for 'money'
Brown bread - Rhyming Slang for 'dead'
Butchers - Rhyming Slang , short for for 'butchers hook' meaning 'look'
Chalfont St Giles - Rhyming Slang meaning 'piles'
China - Rhyming Slang, short for 'China plate','mate'
Claire Rayner's - Rhyming Slang for 'trainers'
Cobblers - Rhyming Slang, short for 'cobblers awls', 'balls'
Dennis Law - Rhyming Slang for 'draw'
Dog and bone - Rhyming Slang for 'phone'
Emma Freud's - Rhyming Slang for haemorrhoids.
Family jewels - Rhyming Slang for 'balls'
Farmer Giles - Rhyming Slang for 'piles'
Fridge and freezer - Rhyming Slang for 'geezer'.
Ginger beer - Rhyming Slang for queer
Gone for a Burton - Rhyming Slang for 'to leave'.
Gregory Peck - Rhyming Slang for 'neck'
Gypsy's kiss - Rhyming Slang for 'piss'
Half inch - Rhyming Slang for 'pinch'
Hampstead Heath - Rhyming Slang for 'teeth'
Hampton - short for the Rhyming Slang 'Hampton Wick' meaning 'prick'
Hank Marvin - Rhyming Slang for 'starving'
Holy Ghost - Rhyming Slang for "toast"
Iron (hoof) - Rhyming Slang for 'poof'
Jack Jones - Rhyming Slang for 'own'
Jam jar - Rhyming Slang for 'car'
Jimmy Riddle - Rhyming Slang for 'piddle'
Kettle (and hob) - Rhyming Slang for 'fob'
Khyber pass - Rhyming Slang for '****'
Lady Godiva - Rhyming Slang for 'fiver'
Lionel Blair's - Modern Rhyming Slang for 'flairs'
Loaf (of bread) - Rhyming Slang for 'head'
Mickey (Bliss) - Rhyming Slang for 'piss'
Mince pies - Rhyming Slang for 'eyes'
Mutt 'n Jeff - Rhyming Slang for deaf.
Mystic Meg(s) - Rhyming Slang - for 'legs'
North and south - Rhyming Slang for 'mouth'
Oily (rag) - Rhyming Slang for '***'
Pen and ink - Rhyming Slang for 'stink'
Pete Tong - Rhyming Slang for 'wrong'
Plates of meat -Rhyming Slang term for 'feet'
Porky pies - Rhyming Slang for 'lies'
Rabbit (rabbit and pork) - Rhyming Slang for 'talk'.
Radio Rental - Rhyming Slang for 'mental'
Raspberry ripple - Rhyming Slang for 'nipple'
Rosie Lee - Rhyming Slang for 'tea'
Ruby (Murray) - Rhyming Slang for 'curry'
Scarpa / scarper - Rhyming Slang for 'to run off'
Sexton Blake - Rhyming Slang for 'fake'.
Steve Mcqueen's - Rhyming Slang for "bake beans"
Sherbert dab - Rhyming Slang for 'cab'
Skin diver - Rhyming Slang for 'fiver'
Steffi (Graff) - Rhyming Slang for 'laugh'
Sweeny Todd - Rhyming Slang for 'The Flying Squad'
Syrup of figs - Rhyming Slang for for 'wig'
Tea leaf - Rhyming Slang for 'thief'
Thrupenny bits - Rhyming Slang for '****'
Trouble and strife - Rhyming Slang for 'wife'
Weasel and stoat - Rhyming Slang for 'coat'
Whistle and flute - Rhyming Slang for 'suit'