A visually appealing design can make a world of difference in a blog's popularity. The human brain is hard-wired to respond to attractive designs with a higher level of engagement. So even if your blog contains exceptional, well-written content, it may ultimately fail unless it features an attractive layout. Here's the problem, though: many bloggers have little-to-no experience in graphic design. They may understand the basic concept of pixel dimensions and file types (e.g. GIF, JPEG, PNG, etc.), but they lack the skills necessary to create a custom header or theme/template design. If this so...