On Fri, 23 Feb 2007 07:06:10 -0700, Northe wrote:

Our outer walls are essentially plaster over slump block/brick. Can
anyone suggest a simple and reliable way to hang pictures? At the local
hardware store, the clerk recommended a small diameter masonry drill and
masonry screws -- they'll work, I'm sure, but it seems a bit radical.

Any alternate suggestions?

Liquid Nails. But be sure you really, really like the pictures.