Thanks for letting me know. I had no clue of this issue. It is a bit impossible to fix due to the programming language I used to write it with. It does not support NTSC especially on C128.
Viewing post in Flangry Bird 101 (C64) by Prince / Phaze101 comments
The reason why this is happening is because it is written with an old version of TRSE. Will need to be converted to a new version of TRSE since it won't run just by importing it. However there is no guarantee it will fix this. Nothing against TRSE but it is one of the reasons why I stopped using it, not mature enough. Really thank you for going through all this trouble and letting me know.