This image depicts an alternate elevation for the fourplex shown in the Incremental Sprawl Repair (ISR) Working Group’s post: http://isrworkinggroup.posterous.com/form-follows-finance-fourplex.
The original elevations depicted a simple box with a simple hipped roof. This design has two gambrel roofs that meet at the center. The entrance to the residential units is further enhanced by a shallow classical portico with Tuscan columns and pilasters with a small balcony above. A corner entrance to the commercial space is also suggested as an alternative to the single entrance facing either street frontage. The other ground floor commercial tenant entrances are treated with a bracket supported barrel vaulted canopy.
This design is probably more costly to build that the design depicted in the original post, but the intent here was to show the extreme design variation that can be achieved utilizing a traditional design vocabulary and minimal changes to the plan.