This is an invention I made, that let's you place scenery outside of the Thok Barrier. It works in both OGL and Software. Here's a screenshot:
http://kpenguin2000.googlepages.com/srb20004.jpg
Here's one of the downsides: It makes it really prominent that the level is floating in mid-air:
http://kpenguin2000.googlepages.com/srb20005.jpg
Here's another downside: A camera glitch.
http://kpenguin2000.googlepages.com/srb20006.jpg
And here's the link. You should be able to find out how they work by looking at the WAD:
http://kpenguin2000.googlepages.com/OutsideThokBarrier.wad
EDIT: Here's a stupid, little backstory about how I had the idea to make this.
One night, I had a dream, where I was playing SRB2 1.1. In THZ2, at the begining, the part with the conveyer belt, crushers, and lasers was replaced with a path to go outside. Outside, I saw a mountain outside the Thok Barrier. When I woke up, I decided that I would try to make scenery outside the Thok Barrier. And I succeeded!
Also, this allows you to go from this:
http://kpenguin2000.googlepages.com/srb20007.png
To this:
http://kpenguin2000.googlepages.com/srb20008.jpg
A.K.A. This allows you to see through Thok Barriers, so to speak.
EDIT2: Just so you know, it works on things too:
http://kpenguin2000.googlepages.com/srb20011.jpg
http://kpenguin2000.googlepages.com/srb20004.jpg
Here's one of the downsides: It makes it really prominent that the level is floating in mid-air:
http://kpenguin2000.googlepages.com/srb20005.jpg
Here's another downside: A camera glitch.
http://kpenguin2000.googlepages.com/srb20006.jpg
And here's the link. You should be able to find out how they work by looking at the WAD:
http://kpenguin2000.googlepages.com/OutsideThokBarrier.wad
EDIT: Here's a stupid, little backstory about how I had the idea to make this.
One night, I had a dream, where I was playing SRB2 1.1. In THZ2, at the begining, the part with the conveyer belt, crushers, and lasers was replaced with a path to go outside. Outside, I saw a mountain outside the Thok Barrier. When I woke up, I decided that I would try to make scenery outside the Thok Barrier. And I succeeded!
Also, this allows you to go from this:
http://kpenguin2000.googlepages.com/srb20007.png
To this:
http://kpenguin2000.googlepages.com/srb20008.jpg
A.K.A. This allows you to see through Thok Barriers, so to speak.
EDIT2: Just so you know, it works on things too:
http://kpenguin2000.googlepages.com/srb20011.jpg