Simple Grid – problem with font, heading and date :)

[my add]

Hello!
I download Simple grid template I am totally in love in its design, yet i have few problems with it. For me problem 1 and 2 are the most important :)
1. I have this problem with a lot of templates. I am from Poland and we use letters like: żźćół and a lot of fonts cant display them right. I wonder is there any way to polonize font (or just change font to simple Times New Roman :P )
2. Between posts and bottom of blog there is big blank, white space. U have to roll and roll and roll if u want to get to the bottom.
3. In the heading, name of the blog is between two equal signs and it isnt in the middle. On the right there is more space.
4. In posts I just have time of publication not date – I tried to change blog’s settings but maybe i missed something.

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