Index: code/renderer/tr_init.c
===================================================================
--- code/renderer/tr_init.c	(revision 1881)
+++ code/renderer/tr_init.c	(working copy)
@@ -156,6 +156,9 @@
 
 cvar_t	*r_marksOnTriangleMeshes;
 
+cvar_t	*r_aviMotionJpegQuality;
+cvar_t	*r_screenshotJpegQuality;
+
 cvar_t	*r_maxpolys;
 int		max_polys;
 cvar_t	*r_maxpolyverts;
@@ -405,7 +408,7 @@
 	}
 
 	ri.FS_WriteFile( fileName, buffer, 1 );		// create path
-	SaveJPG( fileName, 90, glConfig.vidWidth, glConfig.vidHeight, buffer);
+	SaveJPG( fileName, r_screenshotJpegQuality->integer, glConfig.vidWidth, glConfig.vidHeight, buffer);
 
 	ri.Hunk_FreeTempMemory( buffer );
 }
@@ -709,7 +712,7 @@
 
 	if( cmd->motionJpeg )
 	{
-		frameSize = SaveJPGToBuffer( cmd->encodeBuffer, 90,
+		frameSize = SaveJPGToBuffer( cmd->encodeBuffer, r_aviMotionJpegQuality->integer,
 				cmd->width, cmd->height, cmd->captureBuffer );
 		ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, frameSize );
 	}
@@ -1012,6 +1015,9 @@
 
 	r_marksOnTriangleMeshes = ri.Cvar_Get("r_marksOnTriangleMeshes", "0", CVAR_ARCHIVE);
 
+	r_aviMotionJpegQuality = ri.Cvar_Get("r_aviMotionJpegQuality", "90", CVAR_ARCHIVE);
+	r_screenshotJpegQuality = ri.Cvar_Get("r_screenshotJpegQuality", "90", CVAR_ARCHIVE);
+
 	r_maxpolys = ri.Cvar_Get( "r_maxpolys", va("%d", MAX_POLYS), 0);
 	r_maxpolyverts = ri.Cvar_Get( "r_maxpolyverts", va("%d", MAX_POLYVERTS), 0);
 
Index: README
===================================================================
--- README	(revision 1881)
+++ README	(working copy)
@@ -209,6 +209,10 @@
                                       backend being used
   r_noborder                        - Remove window decoration from window
                                       managers, like borders and titlebar.
+  r_screenshotJpegQuality           - Controls quality of jpeg screenshots
+                                      captured using screenshotJPEG
+  r_aviMotionJpegQuality            - Controls quality of video capture when
+                                      cl_aviMotionJpeg is enabled
 
 New commands
   video [filename]        - start video capture (use with demo command)