If you are in a group that is located all over, and you want people that you know, to be able to post to your blog or the group blog. Then follow these steps and it will give them the ability to post. The person in control of the blog, has to have all the e-mail addresses of the additional authors. Once the person in control has this, then do as follows; Log into typepad account, click on weblogs tab and it will display your blog then click on it. Click on the configure tab, then click on authors. In the section invite additional authors enter the name and e-mail address, access level select guest author. When all the people are entered, click on button that says send out invitation's. The additional authors have to check e-mail, enter their typepad account information and click on accept, and everything is all set. Once the guest authors log into their account, the additional blog name will show up under their weblogs tab.