The OU blog is intuitive for users (there is a 'New blog post' button at the top of the blog screen. Once clicked, the user can use the HTML editor to add/edit their post entry). However, you may want to prompt users (ie students) what to blog about, either in the Introduction (step 5 below) or somewhere else in the FLO site.
In the topic, click Turn editing on
In the week/module where you want to add the forum, click Add an activity or resource
Select OU blog and click Add
You will be taken to the Adding a new OU blog screen where you can set the parameters of your blog
Give the blog aNameand Introduction
If desired, use the Individual blogs drop-down menu to select individual blogs. If individual blogs are not required, leave this menu at the default no (blog together or in groups)