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Please show me what problems you're referring to, and I'll try to rectify them. I'm not sure what you mean by "tile errors," Giradialkia has been helping me beta test and we've been removed any of those that we can find. If we've missed some, please do let me know.
Finally, what maps exactly are you referring to when you say they're "ugly?" I really can't improve this unless you provide me with more information.