Hmmmm, download Scar, and download the SRL + Powerskills link I gave you.
The first time you open it you will have SRL360b.rar and PowerSkills, extract those two to your desktop. Then, extract the SRL360b to your Scar 2.03 folder. You can delete PowerSkills from your desktop.
That's about it.
-- If you mess up then either start over or if your error changes post again.