diff --git a/collects/realm/chapter6/graphics/body.gif b/collects/realm/chapter6/graphics/body.gif
new file mode 100644
index 0000000000..94a0956456
Binary files /dev/null and b/collects/realm/chapter6/graphics/body.gif differ
diff --git a/collects/realm/chapter6/graphics/goo.gif b/collects/realm/chapter6/graphics/goo.gif
new file mode 100644
index 0000000000..cb0d98b887
Binary files /dev/null and b/collects/realm/chapter6/graphics/goo.gif differ
diff --git a/collects/realm/chapter6/graphics/head.gif b/collects/realm/chapter6/graphics/head.gif
new file mode 100644
index 0000000000..664f6795e0
Binary files /dev/null and b/collects/realm/chapter6/graphics/head.gif differ
diff --git a/collects/realm/chapter6/graphics/tail.gif b/collects/realm/chapter6/graphics/tail.gif
new file mode 100644
index 0000000000..6fbd3170c6
Binary files /dev/null and b/collects/realm/chapter6/graphics/tail.gif differ