the jonesy translation guide :

wotcha = hello
cheers = thank you
ta = thank you
hows tricks? = how are things with you? are you well?
blimey = an exclamation of surprise
bloody = benign cursing
muppets = idiots
the pictures = the cinema
chuffed = pleased
well chuffed = very pleased
taking the piss = making fun of

let me know when i say things you don't understand and i'll add them to the list