I've been working on this for some time. Half an hour at least. I'm stumped on three letters. Can anyone fill in the gaps? Or make improvements?

A for 'Orses ... Be kind to all animals.

B for Pork ... It's OK to eat meat.

C for Yourself ... Take nothing for granted.

D for Estation ... Heed global warming.

E for Cacious ... Get good results.

F for Vescent ... Be bubbly.

G for Police ... Keep to the law.

H for ???

I for a Bargain ... Haggle.

J for Oranges ... Take Vitamin C.

K for ???

L for Leather ... Live life to the full.

M for Sis ... Express yourself vigourously.

N for Mation ... Keep yourself informed.

O for Eat ... Don't!

P for Relief ... Drink plenty of water.

Q for a Bus ... Lost art!

R for Loaf ... It's better than none.

S for ???

T for Two ... Be sociable.

U for Coffee? ... No! I was here first.

V for Espania ... Holiday there. Live here.

W for Mism ... Sugar the pill. Twice!

X for Liate ... Get rid of dead skin.

Y for Get ... Exercise your memory.

Z for Effect ... Mean what you say!

Hope someone can help fill in the gaps. :DD