diff --git a/docs/CREDITS b/docs/CREDITS
index 7639b30e03..dae67a76ae 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -496,6 +496,7 @@ Michael Lechner
Peter Schlenker
Dan Davison
David Kauffmann
+Marko Pahlke
The libmad team
The wavpack team
diff --git a/manual/rockbox_interface/images/yh820-front.svg b/manual/rockbox_interface/images/yh820-front.svg
new file mode 100644
index 0000000000..5436771e50
--- /dev/null
+++ b/manual/rockbox_interface/images/yh820-front.svg
@@ -0,0 +1,1398 @@
+
+
+
diff --git a/manual/rockbox_interface/images/yh920-front.svg b/manual/rockbox_interface/images/yh920-front.svg
new file mode 100644
index 0000000000..84dbe665bb
--- /dev/null
+++ b/manual/rockbox_interface/images/yh920-front.svg
@@ -0,0 +1,2959 @@
+
+
+
diff --git a/manual/rockbox_interface/images/yh925-front.svg b/manual/rockbox_interface/images/yh925-front.svg
new file mode 100644
index 0000000000..ace7bfba01
--- /dev/null
+++ b/manual/rockbox_interface/images/yh925-front.svg
@@ -0,0 +1,1106 @@
+
+
+