Index: /branches/pap_branch_080320/ippconfig/recipes/ppImage.config
===================================================================
--- /branches/pap_branch_080320/ippconfig/recipes/ppImage.config	(revision 17219)
+++ /branches/pap_branch_080320/ippconfig/recipes/ppImage.config	(revision 17220)
@@ -11,5 +11,5 @@
 FLAT             BOOL    TRUE            # Flat-field normalisation
 MASK             BOOL    FALSE           # Mask bad pixels
-MASK.VALUE       STR     SAT,BAD         # Mask pixels with these attributes
+MASK.VALUE       STR     SAT,BAD,FLAT    # Mask pixels with these attributes
 MASK.BUILD       BOOL    FALSE           # Build internal mask image
 REPLACE.MASKED   BOOL    FALSE           # Fill in masked pixels
Index: /branches/pap_branch_080320/ippconfig/recipes/ppMerge.config
===================================================================
--- /branches/pap_branch_080320/ippconfig/recipes/ppMerge.config	(revision 17219)
+++ /branches/pap_branch_080320/ippconfig/recipes/ppMerge.config	(revision 17220)
@@ -53,5 +53,5 @@
 	FRACHIGH	F32	0.0		# Fraction of high pixels to reject immediately
 	FRACLOW		F32	0.0		# Fraction of low pixels to reject immediately
-	WEIGHTS		BOOL	FALSE		# Use image weights?
+	WEIGHTS		BOOL	TRUE		# Use image weights?
 	COMBINE		STR	CLIPPED		# Statistic to use for combination: 
 END
@@ -64,5 +64,5 @@
 	FRACLOW		F32	0.1		# Fraction of low pixels to reject immediately
 	NKEEP		S32	5		# Minimum number of pixels in stack to keep
-	WEIGHTS		BOOL	FALSE		# Use image weights?
+	WEIGHTS		BOOL	TRUE		# Use image weights?
 	COMBINE		STR	MEAN		# Statistic to use for combination: 
 END
@@ -72,5 +72,5 @@
 PPMERGE_FRINGE	METADATA
 	FRACHIGH	F32	0.1		# Fraction of high pixels to reject immediately
-	WEIGHTS		BOOL	FALSE		# Use image weights?
+	WEIGHTS		BOOL	TRUE		# Use image weights?
 END
 
Index: /branches/pap_branch_080320/ippconfig/recipes/ppStats.config
===================================================================
--- /branches/pap_branch_080320/ippconfig/recipes/ppStats.config	(revision 17219)
+++ /branches/pap_branch_080320/ippconfig/recipes/ppStats.config	(revision 17220)
@@ -3,5 +3,5 @@
 # Options governing statistics
 SAMPLE          F32     0.1     # Fraction of cell to sample
-MASKVAL         STR     SAT,BAD # Mask value to use for statistics
+MASKVAL         STR     SAT,BAD,FLAT # Mask value to use for statistics
 
 # Define the outputs as MULTI