diff --git a/COMPOSITE_TODO b/COMPOSITE_TODO
index 81c2a6901c..144710336a 100644
--- a/COMPOSITE_TODO
+++ b/COMPOSITE_TODO
@@ -60,8 +60,14 @@ OpenGL TODO
 + Check/make it work with other gfx cards
     - I've tested only with nvidia with the 9625 beta drivers and 8776 stable drivers so far
     - I have absolutely no idea about other gfx cards, needs to be tested
-+       - ati
-+       - intel
+        - ati
+!           - does kwin_composite work there at all?
+!           - does glcompmgr work there at all? (even with the various switches in the source)
++           - make kwin_composite work there if it doesn't
+        - intel
+!           - does kwin_composite work there at all?
+!           - does glcompmgr work there at all? (even with the various switches in the source)
++           - make kwin_composite work there if it doesn't
 +       - who knows what else
 
 ? Xgl support
diff --git a/scene_opengl.cpp b/scene_opengl.cpp
index 7628a8ffe3..3a075d735d 100644
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -30,6 +30,8 @@ Sources and other compositing managers:
     - simple and easy to understand
     - works even without texture_from_pixmap extension
     - claims to support several different gfx cards
+    - compile with something like
+      "gcc -Wall glcompmgr-0.5.c `pkg-config --cflags --libs glib-2.0` -lGL -lXcomposite -lXdamage -L/usr/X11R6/lib"
 
 - compiz
     - git clone git://anongit.freedesktop.org/git/xorg/app/compiz