diff --git a/src/syncterm/prestest/dhg.png b/src/syncterm/prestest/dhg.png
new file mode 100644
index 0000000000000000000000000000000000000000..351314e183df41682cd73199126e51990108a1c4
Binary files /dev/null and b/src/syncterm/prestest/dhg.png differ
diff --git a/src/syncterm/prestest/engtest-revealed.png b/src/syncterm/prestest/engtest-revealed.png
new file mode 100644
index 0000000000000000000000000000000000000000..013b19be68ae0e688ba2ce15f6e040e6bfa94671
Binary files /dev/null and b/src/syncterm/prestest/engtest-revealed.png differ
diff --git a/src/syncterm/prestest/engtest.png b/src/syncterm/prestest/engtest.png
new file mode 100644
index 0000000000000000000000000000000000000000..5b17dc9ca8173397f5879b41982dd14d0d96ec76
Binary files /dev/null and b/src/syncterm/prestest/engtest.png differ
diff --git a/src/syncterm/prestest/extra-revealed.png b/src/syncterm/prestest/extra-revealed.png
new file mode 100644
index 0000000000000000000000000000000000000000..f445210c20c7154f2b8d0da4366ecb64cb486414
Binary files /dev/null and b/src/syncterm/prestest/extra-revealed.png differ
diff --git a/src/syncterm/prestest/extra.png b/src/syncterm/prestest/extra.png
new file mode 100644
index 0000000000000000000000000000000000000000..ecc18b422f12df0b325e9e68b798d316264aefab
Binary files /dev/null and b/src/syncterm/prestest/extra.png differ