Those are easy. There is like over there, their is possesive and they're is just they are. It might be harder for you. Also, you should start by capitalizing the first letter in each sentence. I'm sorry if I'm sounding cynical I don't mean to be I mean this in the kindest way possible.
Yeah, that was a nice dragon head you made by the way! I'm trying to make all my buildings have a really nice design and I'll post some pictures later.
Ya i get tired of 9x9's and other block houses they tend to get annoying after while. That being said my starter house is usually a block house while i'm building a much nicer place or a hole in a mountain.