tentative to updated CREDITS (more)

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2656 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/CREDITS

@@ -133,6 +133,17 @@ Other music (not specifically created for STK):
 - Speedsound for 'Sky Vibe - High Frequency'
 - Daniel Bautista for 'Symphony No. 5'
 
+Some audio effects were mixed by Marianne gagnon (Auria)
+  based on work by Daveincamas, Radio Mall, BLASTWAVEFX 02344
+
+The TORCS project for their engine sound
+
+Stephen Dunn, based on work by morgantj
+- Engine sound
+
+Atheal Washington and Stephen Dunn
+- Skidding sound
+
 Translations
 ------------
 German: Dominique Leuenberger, Stefan von Halenbach, Constantin Pelikan
@@ -147,8 +158,8 @@ Mac OS X port
 -------------
 
 Marianne Gagnon (Auria)
-    with additional involvement from
-    Cherryprice, Nuke, Florian, JPenguin, TinGamer, Xeno74
+  with additional and/or past involvement from
+  Cherryprice, Nuke, Florian, JPenguin, TinGamer, Xeno74
 
 Testing
 -------