I figured it out. You can see the finished product here. https://ashalinagoesrunning.com/
Step 1. I deleted the site title and description as SimonLG instructed above.
Step 2. Inserted the image location into the background code below.
#canvas {
background:transparent url(https://ashalinagoesrunning.com/wp-content/uploads/2011/12/Header-Image.png) top right no-repeat;
margin: 0 auto;
padding:40px 0;
padding-top:379px;
width:1000px;
Step 3. I added the ‘padding-top’ code to the height of my header and voila, done!
Hope that’s helps you out Shilo!