![Image](http://pics.livejournal.com/evilgrins/pic/00dbh6k9.png)
See that bright patch on the ground? It's a distortion. At the time it wasn't a BSP hole or anything so I wasn't worried. You can walk over it fine but it tends to do this to the visuals:
![Image](http://pics.livejournal.com/evilgrins/pic/00dbgawd.png)
![Image](http://pics.livejournal.com/evilgrins/pic/00dbkq8e.png)
![Image](http://pics.livejournal.com/evilgrins/pic/00dbpchr.png)
![Image](http://pics.livejournal.com/evilgrins/pic/00dbq39p.png)
I've seen this kinda thing before but not for a very long time.
What is it? More importantly, how would I go about fixing it??