If you don't have time to blog, don't beat yourself up about it....and don't apologise for it. What have you been doing in between times? If it's relevant...blog about it. I've been reading....
It gives good general advice for the content of your blog. It also stresses the importance of a visually pleasing blog: "When designing your blog — either creating one from scratch or using any of the free blogging platforms online — try and keep the layout clean, fresh and uncluttered. Avoid adding lots of unnecessary features. Keep it easy on the eye and you'll please your blog visitors..." - content originally published by Creative Boom