Texture glitch help!

[Phantom-Blade]

Hey guys, I was making my Azure Park Zone, but I got a problem. :noes:
I let the pictures tell you.
6037

6038

6039
Can someone tell me how to fix the problem?

[Colby]

Can't tell rather it is the map size or you making mistake to do that, I'd need to play the WAD for me to tell properly.