Speaking of Horse Artillery... why not some from the Kingdom of Italy?
Kingdom of Naples. Garde De Securite de Naples 1813-1815. L to R; Officer Hussars. Officer Grenadiers and a Fusilier
Napoleon's Italian Troops 1_Private of Grenadiers Bataillon Septinsulaire 1808; 2 Corporal of Carabiniers Dalmatian Infantry Regiment 1811
Italy; 1st Line Infantry, Drum-Major & Musician, 1809
Italians in Napoleonic armies - Cerca con Google
Italy; 1st Line Infantry, 1811-13, 2nd Porte Aigle, Sous Lieutenant Porte Aigle & Fuslier Eagle Guard.
Italy Infantry Legere 1807-1808
Italy Infantry Legere 1801-1808
Naples Infantry 1806-15