• First Go to your space in mod "Edit my Space"
• Now go to the Customize Part.
• now add a new List, and click on Modify List, give a name to the new list, something like: "Blog Categorys Part"
• to add the first Item, you need know the names of your own categorys, this is one photo of my categorys:

•  ok now you know your Categorys Name's, well to add one new item into the new list that list we give a name "Blog Categorys Part": click on add new item, one popup will open:

                           NAME: "your category name"

                           URL:  "The url of the category" (see down the link)

                           Comment: "give a comment to the Category.

• Wich link we will copy in the URL part?, This Link

                    spaces.msn.com/members/Here your space name/?partqs=cat3dCategoryname&blogpart=blogmgmt&_c=blogpart

• Replace the HERE Your Space Name, for your own, And CATEGORY NAME , for the name of your own category. 
• You having problems? your category name have spaces? example: Horses And Birds. there is a space, then in each space of your category name add this:   2%b   that code replace the space.

                    Here an Example:

                    spaces.msn.com/members/tibiafriend/?partqs=cat%3dFreak%2bStuff&blogpart=blogmgmt&_c=blogpart

•  click on , to finish add the new item, And DONE!
• make this process again, to add each category, STAY SMART-.
• Also if you want add one link to show all Blog Entry of your space, just add this link into new list item:

spaces.msn.com/members/Here your space name/?blogpart=blogmgmt&_c=blogpart