First, i’m sorry for my bad english.
No problem, I can understand you. 🙂
Regarding your first question.
Please disable your jetpack plugin’s photon module and purge your W3 Total Cache’s cache content.
Currently, all your images are loading from jetpack servers and not from your own server.
Do this first and see how it goes.
Regarding your second question.
The styles of your facebook widget is loaded by the widget within it’s iframe.
It’s not possible to style it.
Regarding your third question.
Please use the following in Theme Options -> Custom CSS
display: none !important;