Blog Blaster
Blog Blaster is an automated tool to submit your blogs to over 30 blog search engines with just one click. Pinging your blogs to the search engines is the fastest way to get the search engine robots to visit your blog and gain increased traffic in a short amount of time. ... Blog Blaster uses the XML-RPC interface to ping your blogs to the blog search engines. ... When you ping a blog, you are telling the search engine that you have updated your content and that your listing should be refreshed.
http://www.dummysoftware.com/BlogBlasterSetup.exe - 538Kb - Download - Screenshot

Post2Blog
Desktop editor with live spellchecking and images uploading support for your blog. Ability to insert Technorati tags, ping selected web-sites, program integrates itself with Firefox, IE, MS Word, RSS Bandit, Sharp Reader (free rss readers). You can also manage and edit existing posts and much...
http://www.bytescout.com/pad/post2blog.zip - 10Mb - Download - Screenshot