My Peninsular force will consist of 6-8 British Battalions and a similar number of Spanish. They will be supported by four artilley batteries and 3-4 regiments of cavalry. That should give me enough figures to fight some interesting actions. The French will have a similar number of troops.
To begin the British I have renovated these two battalions from Major General 'Black Bob' Crauford's Light Division - British Light Infantry: