Open your Silica system in the PenguinMod editor.
Add the Spradd sprite.
You're done! After this, you can simply import the sprites you need via Spradd without touching the PenguinMod editor again!
SiSh.
The first version of Spradd, a simple method of adding additional packages to Silica. Does not work on Kamix 1.x or 2.x.