2 problems after instalaltion

Hello,

Yesterdays i just installed WordPress 3.8(Parker) and it went fine. i have connected the domain to my server.

oftsotyliou.gr is the domain

it loads but it gives 2 problems

1. When i click on a link the url changes to the server and username like this
https://superhost.gr/~tsotyli/%CE%97-%CE%9F%CE%BC%CE%AC%CE%B4%CE%B1/

instead of somehting like oftsotyliou.gr/%CE%97-%CE%9F%CE%BC%CE%AC%CE%B4%CE%B1/

why is that?

2. some images cannot be loaded, although int he images directory

Please tell em how i cna resoilve thoise 2 problems.