1. The first title section of each page should have an H1 tag. Apply Heading 1 (H1) to the title in the first text box to the left. After all, it is the first and most important heading. A font size of 36pt might look nice.
2. Some of the white text might be tough to see against this image, especially for a visually-impaired person. Apply an overlay effect of a .8 black tint to the image background.