The Y TMRCA calculator now also has the capability to create the input file necessary to create median joining networks using the Fluxus Network Software, see here for more details.
This blog-post will be updated routinely with network diagrams as I make more of them, since I do not have access to the Network Publisher add-on, it takes a considerable amount of time to properly format the diagrams.
I will start with Ethiopian E-M34 data from the Plaster thesis, see also the following post for more detail on Ethiopian E-M34: YDNA E-M123; A closer look
14-Marker J-M267 haplotypes from the Plaster Thesis, see this post for TMRCA results : http://ethiohelix.blogspot.com/2014/02/ethiopian-ydna-j-str-analysis-addendum.html
E-Z830* Clusters from Haplozone site
E_V32 from Plaster (14 markers)
A3b2 from Plaster (14 markers)
E-M2 Haplotypes from FTDNA Project page