Changing the site title to a logo

Hello friends, I need some help turning my site title into a logo, tried messing with the code before and destroyed my website. I am updating to wordpress 4.5 as we speak. SO that will be the version that I am using. THanks for the help.

I can’t instert a picture, but the website is Fuyah.com and I want to change “The adventures of fuyah” to a picture.

THanks for hte help family