Why can’t I upload images to my blog?
How do I choose default settings for allowing comments, text filters, etc.?
How do I edit the published date and time of a post?
Can I use MarsEdit to publish a blog on my general-purpose site?
Not all blog systems support image uploading. If yours doesn’t, you might consider establishing a free blog at a site like Blogger or Wordpress, where image uploads are well-supported.
Tumblr supports image uploads only in "Photo" type posts. Unfortunately the service does not support uploading images to be inserted into regular "Text" type posts.
Note for MetaWeblog-compatible blogs: to support image uploading, your blog’s API must support the metaWeblog.newMediaObject method. Most blogs implement this method correctly, but a few do not.
MarsEdit supports default settings for many options, so you don’t have to set them every time you create a new post. See Setting Default Options For New Posts.
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MarsEdit relies on other software (such as Blogger, WordPress, Movable Type, etc.) to create your blog. It does not generate or organize the HTML required for a blog, so it can’t be used to easily edit blogs directly on a site without blog-hosting software installed.