The images can be seen with PSIcture. The loading screen was used in the Wipeout demo. It is very common to leave unused images and log files in the final version of a game. In addition to the pictures they also left a lot of log files, the ones with .INF extension.
In Wipeout 2097/XL you can find the following pictures (copy and paste):
The Wipeout 1 title screen (WIPTITLE.TIM)::
Code:
http://ultraboard.topcities.com/WIPTITLE.JPG
The copyright screen from Wipeout 1 (LEGALNTS.TIM):
Code:
http://ultraboard.topcities.com/LEGALNTS.JPG
The XL title screen (RSTARTXL.TIM):
Code:
http://ultraboard.topcities.com/RSTARTXL.JPG
The 2097 title screen (STARTPAL.TIM):
Code:
http://ultraboard.topcities.com/STARTPAL.JPG
The E3 demo title screen (E3PIC.TIM):
Code:
http://ultraboard.topcities.com/E3PIC.JPG
Those pictures were left in both the demos and the final versions.