: You will need a tool like TXD Workshop to open the game's texture files.
: If your sitem16.png does not have proper transparency (an alpha channel), it may appear as a solid white block in-game, making it impossible to see your targets. Stretching : Ensure your custom image maintains a sitem16.png
: Ensure your PNG has an alpha channel (transparent background) so only the crosshair shows up, not a solid white box. : You will need a tool like TXD