Dadi & Piombo has a free download of a supplement for Smooth & Rifled:
From their post:
The Anglo Zulu War supplement for Smooth&Rifled has been released.
The supplement, that can be dowbloaded for free, includes lists for Zulu, British ans Boers and it is suitable to play the 1st Boer War too.
Smooth&Rifled is a skirmish game published by Dadi&Piombo and covers the age of musket (from late XVII Cent. to Early XX Cent.). It is available in PDF format at 9 euros (the cost includes also all future PDF editions) and can be purchased here http://www.dadiepiombo.com/smooth.html
The next release will be the Napoleonic supplement.