Sets the texture used to display quest and tracking icons on the minimap. The replacement texture must match the specifications of the default texture (Interface\\Minimap\\ObjectIcons): 256 pixels wide by 64 pixels tall, containing an 8x2 grid of icons each 32x32 pixels square.
Signature:
Minimap:SetBlipTexture("filename")
Arguments:
filename- Path to a texture containing display quest and tracking icons for the minimap (string)