The tikzpingus package requires the library files tikzpingus-<name>.lib.tex to be where tex can find them, but currently they are in .../source/tikzpingus. That entire folder, except for tikzpingus-doc.tex, should be moved to .../tex/latex/tikzpingus.
The
tikzpingus
package requires the library filestikzpingus-<name>.lib.tex
to be where tex can find them, but currently they are in.../source/tikzpingus
. That entire folder, except fortikzpingus-doc.tex
, should be moved to.../tex/latex/tikzpingus
.