Originally Posted by Smitty99XKR

You can get leather filler putty for cracks and an all in one paint and lacquer combo to apply with a sponge. Important thing is to give it a really good clean first with washing up liquid and warm water. Give it a really good go to get out all of the dirt and grime. Then a gentle going over with wet and dry paper to flat it before using the putty by hand to fill the cracks. Let it dry and apply a couple of coats of the paint. It is quite simple, I am hopeless but managed to do it.