If you travel much and still need to keep your blog active, you will definitely find these tips useful: they will show you how to post to your blogs from email (and thus from your mobile phone). You can use the huge advantage of Posterous is that you can email it anything – text, photos, mp3’s, videos, documents – and it will automatically uploaded and posted to your site.
http://www.searchenginejournal.com/3-ways-to-blog-from-your-email/18020/