geilt

This plugin enables a widget that can be used to display your blogs in almost any fashion. You can show and hide multiple elements as well as show featured images with support for resizing and captions.

Simpul Blogs by Esotech

enables a widget that can be used to display your blogs in almost any fashion.

Boone Gorges

modemlooper

Andy Peatling

Give group creators and administrators on your BuddyPress install the ability to attach 
external blog RSS feeds to groups.
Blog posts will appear within the activity stream for the group.
New posts will automatically be pulled every hour, or every 30 minutes if someone specifically visits a group page.

BP External Group Blogs

Give group creators and administrators on your BuddyPress install the ability to attach

Simpul Blogs by Esotech vs BP External Group Blogs