Here's the ELCA resource:
and/or they seem to produce a second one also: http://www.elca.org/Growing-In-Faith/Discipleship/Christian-Education/Daily-Discipleship.aspx
The Episcopalians also produce a nice resource:
There are also some basic models for bible study you can use for any passage of Scripture without needing to have a special lesson plan written for that week. For example:
Of these, T.R.I.P is the one that Oaks Indian Mission uses for their daily text resource, inspired by the spirituality of the Moravians and Martin Luther's approach to prayer, and mutual invitation is my favorite way to read Scripture as lectio divina.
I hope these pointers are helpful for connecting groups with a simple method for studying Scripture together.