You need the following to post, update or delete an entry via this package. Copy and paste them into the each setting field.
Only Hatena ID and API Key allow the package to upload an image.
If it is enabled, your default web browser opens the URL after posting an entry.
If it is enabled, an entry's title (#h1) will be removed from the content.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.