Thanks!
Well, I can understand them...

. They seem good too... I read just the Grammar (The Beginning) and it's a good idea... Funny
Anyway, I must admit I didn't find most of the mistakes... I didn't look for them (I am too lazy), that's the truth, but I wouldn't perhaps find them even after hours of searching. I have problems especially with articles (at least I think that is my biggest problem) and I wouldn't probably realize there should be "THE people of ... city". Now, when I think of it, it is auite clear, but at the moment of not seeing the article...
Who has drawn this comics, this time? (by the way, should I use present perfect? I believe I am not right)