diff --git a/NEWS b/NEWS
index ae3db6c85..725d9d6c4 100644
--- a/NEWS
+++ b/NEWS
@@ -15,7 +15,7 @@ New in 0.9.10
 * Updated/improved rain cone rendering.
 * Updated manual.
 
-* Upgraded to JSBSim v2.0
+* Upgraded to v2.0 of the JSBSim config file format.
 * Fix a discrepancy in sign of twist and incidence values in YASim
   between code and documentation.
 * Updates to YASim for more fine grained propeller modeling.
diff --git a/Thanks b/Thanks
index 25adddc97..f2aecdaa8 100644
--- a/Thanks
+++ b/Thanks
@@ -11,6 +11,12 @@ A1 Free Sounds <techie@mail.ev1.net> http://www.a1freesoundeffects.com
   Granted permission for the flightgear project to use some of the
   sound effects from their site.
 
+Mark Akermann <flightgear@akermann.org>
+  Redone sun code. The sun now consists of three textures with individual 
+  colors which are calculated based on the effect of light scattering.
+  This is accomplished by using various environmental data and by 
+  calculating the distance the light travels through the atmosphere.
+
 
 Raul Alonzo <amil@las.es>
   Mr. Alonzo is the author of Ssystem and provided his kind permission 
@@ -650,9 +656,6 @@ SkyscraperPage.com  http://skyscraperpage.com
   SkyscraperPage.com has allowed us to use their building diagrams to
   make textures and 3d models of their buildings.
 
-Wolfpack Entertainment  http://wolfpack.twu.net/SearchAndRescue/
-  Made some sounds available by licensing their helicopter simulator
-  SearchAndRescue under the GPL. (engine, overspeed, door, crash, etc.)
 
 WoodSoup Project  http://www.woodsoup.org
   [ FlightGear no longer uses woodsoup services, but we appreciate
diff --git a/preferences.xml b/preferences.xml
index ecf874a44..0b8454600 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -458,6 +458,7 @@ Started September 2000 by David Megginson, david@megginson.com
    <!-- scenario>nimitz_demo</scenario -->
    <scenario>aircraft_demo</scenario>
    <!-- <scenario>refueling_demo</scenario> -->
+   <!-- <scenario>lead_aircraft</scenario> -->
   </ai>
 
   <multiplay>
diff --git a/version b/version
index 56f315114..8225a4ba4 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.9.10
+0.9.11