Greetings, TakKuroda!
Thank you for posting your concerns about your strange encounters with the textures in the game. In order to make sure that we have sufficient information for a thorough investigation, it would be a great help to us if you could provide specific descriptions of what you see when this takes place, as well as any information regarding the areas in Gridania that you have experienced in. It would also be appreciated if you could provide the following details:

Platform:
Specify which version of Windows was in use to play the game.

ISP:
Name of ISP you use to connect to the Internet.

Type of Internet Connection:
Specify the type of connection. (dial-up, DSL, CATV, Optic Fiber, Other)

Internet Connection Speed:
Specify the speed of internet connection. (Example: 768Kbit/s, 5Mbit/s)

Date & Time:
Date and time of when the issue occurred. Please be sure to state the time zone of your region. (Example: Pacific Time = PST/PDT)

Any further information that you can provide us with will contribute to our ability to try to replicate this matter and possibly find a solution for you. Thanks again for your participation!