Create your blog posts as you would create a regular page using Hybrid Composer to add content.
Notice that besides the regular options, posts in Landkit theme have some extra custom fields. Those extra fields are used in some skins:
To create a blog page that will show all your posts:
- Create a regular page
- Add a Masonry List element from List post types
- Use the settings to customise the layout and you're good to go: