1) Save the desired crosshair. (right click & save picture as)
2) Rename the desired crosshair to ''siteM16'
3) Download (http://www.thegtaplace.com/downloads/f7 ... rkshop-40b) & run txdworkshop.
4) Click on ''Open TXD''' then locate the hud.txd in your GTA SA/models folder and open it.
5) Then you just simply drag and drop the ''siteM16'' in txdworkshop and it automatically replaces the current crosshair with the new one.
6) Click on ''save txd'' and run GTA:SA.