diff --git a/lib/image_library.tcl b/lib/image_library.tcl
index bd3ac6d..3c0fafe 100644
--- a/lib/image_library.tcl
+++ b/lib/image_library.tcl
@@ -1968,3 +1968,14 @@ image create photo cpp_16x12 -data {
     AAALEwEAmpwYAAAAB3RJTUUH6gIGDxU21/OqSAAAADVJREFUCNd9jUEOACAIw7D7/58VmNF4sAco
     CbCIm5FsBTwsd+kmgVQu87p3OLfg/9AJJPFhAjDkAJmwKBolAAAAAElFTkSuQmCC
 }
+image create photo troff_16x12 -data {
+    iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAAAXNSR0IB2cksfwAAAARnQU1BAACx
+    jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAAZiS0dE
+    AAAAAAAA+UO7fwAAAAlwSFlzAAAAWAAAAFgBeNpLYgAAAAd0SU1FB+oEDw0yFseUVqEAAAEXSURB
+    VCjPfZE/S4JxEMc/p4/EU489Bg5BSDgECdZQU7QF0hYUuLm1+yJqj15AS2+gRWhraWvIQcEKwnIw
+    bIt80OcPT9fSY49pfuE47nf34X53J0xRuaxJd/G1ilCpXeS34znjx2v0sLx6SHdwRcZcB0lEOfkL
+    oKqEoXJz+0Hz0eO+5VHaMbm+HO+eiAf1hsNbzyefS+EMlWLBnPjuCBgMQ3rvPhnboPHgMpeCwtoM
+    4Lnt0ndC0gtJ6k8BRyULyzL+B0QUz4eT8zssU9jfs6ct8Hfol47P1uY8nW4RP1AytjEbyK2ksG2D
+    LxWqx1kSIsySfvYDPT3rarPlaFzxG40BgO4e1BTSUVHcJoYWQJayGxXoSxTHbKRvV5VqA9sEagYA
+    AAAASUVORK5CYII=
+}