If you use PS3HEN, run the enabler tool from the XMB first.
On your PS3, go to Game > Package Manager > Install Package Files > Standard . crash bandicoot wrath of cortex ps3 pkg best
The PS3 natively upscales PS2 Classics to 720p or 1080p via HDMI, smoothing out jagged edges and making the vibrant levels look much crisper on modern televisions. If you use PS3HEN, run the enabler tool from the XMB first