try searching for 'painting cam covers' or 'painting' betalked about alot,you may even find a tutorial..
you can paint anything by yourself, your a big boy now..
suggestions are radiator top mounts (black), cam covers(almost any colour), alternator (siver or back), fuel rail (black, silver maybe a blue or red)
please dont paint a heap of the engine bay plastics in the same colour, it looks cheap
and possibly consider powdercoating it will look better and last longer.
and please dont use a crap bright colour and have the rest of the engine bay stock standard, again it looks cheap...