Dunno about favourites but..
Stuff from really really early childhood :
Podington Peas
Postman Pat
Playdays
Pingu
Penny Crayon
Padington Bear
The Family-Ness
Fireman Sam
Raggydolls
Barney (the cartoon about the shaggy dog not that annoying purple thing)
Bump the Elephant
Barbar
Banana-man!!
Noddy
Sesame Street
Spider in the Bath. Actually i think its just called Spider but that was the name of this ep.
Uhh the Oak tree guy thing. you know the dude whos an acorn
. the one who always had a little saying at the end, beggining "It's like I always say..." but he never actually said any of those sayings more than the once
EDIT: Found it, it's called
Oakie Doke 
Stuff I hated: Finger mouse. The um.. clangers or whatever theyre called...annoying moon creatures that make weird whistling sounds.
For some reason I always used to change the channel when Bagpuss came on
And never paid much attention to the Magic Roundabout.