As of revision 5955, Elmer/Ice is included in the SVN repository of Elmer. In the main trunk Elmer/Ice is to be found under trunl/elmerice. Hence Elmer/Ice is retrieved with every checkout of the whole Elmer package.
All the Solvers and User Functions presented in the Elmer/Ice wiki are included in this package and can be compiled and linked with Elmer very easily.
More information about how to use the Elmer/Ice package can be found in the Ellmer/Ice wiki.