Index: trunk/ppStack/src/ppStackCombineFinal.c
===================================================================
--- trunk/ppStack/src/ppStackCombineFinal.c	(revision 31422)
+++ trunk/ppStack/src/ppStackCombineFinal.c	(revision 31435)
@@ -1,5 +1,6 @@
 #include "ppStack.h"
 
-//#define TESTING                         // Enable test output
+// This is the doomsday switch.
+// #define TESTING                         // Enable test output
 
 bool ppStackCombineFinal(ppStackThreadData *stack, psArray *covariances, ppStackOptions *options,
@@ -29,9 +30,4 @@
             reject->data[i] = pmStackRejectGrow(options->rejected->data[i], numCols, numRows, poorFrac,
                                                 options->regions->data[i], options->kernels->data[i]);
-            if (!reject->data[i]) {
-                psError(psErrorCodeLast(), false, "Unable to grow rejected pixels for image %d", i);
-                psFree(reject);
-                return false;
-            }
         } else {
             reject->data[i] = psMemIncrRefCounter(options->rejected->data[i]);
Index: trunk/ppStack/src/ppStackCombineInitial.c
===================================================================
--- trunk/ppStack/src/ppStackCombineInitial.c	(revision 31422)
+++ trunk/ppStack/src/ppStackCombineInitial.c	(revision 31435)
@@ -1,5 +1,6 @@
 #include "ppStack.h"
 
-//#define TESTING                         // Enable test output
+// This is the doomsday switch.
+// #define TESTING                         // Enable test output
 
 bool ppStackCombineInitial(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config)
Index: trunk/ppStack/src/ppStackLoop.c
===================================================================
--- trunk/ppStack/src/ppStackLoop.c	(revision 31422)
+++ trunk/ppStack/src/ppStackLoop.c	(revision 31435)
@@ -123,6 +123,6 @@
     }
     else {
-      // Since we haven't convolved, I believe we do need to normalize here. We also cannot grow.
-      if (!ppStackCombineFinal(stack, options->convCovars, options, config, false, true, false)) {
+      // Since we haven't convolved, I believe we do need to normalize here.
+      if (!ppStackCombineFinal(stack, options->convCovars, options, config, false, true, true)) {
         psError(psErrorCodeLast(), false, "Unable to perform final combination.");
         psFree(stack);
Index: trunk/ppStack/src/ppStackReject.c
===================================================================
--- trunk/ppStack/src/ppStackReject.c	(revision 31422)
+++ trunk/ppStack/src/ppStackReject.c	(revision 31435)
@@ -1,4 +1,5 @@
 #include "ppStack.h"
 
+// This is the doomsday switch. 
 // #define TESTING
 
@@ -13,5 +14,36 @@
 /*     } */
 
+    
     int num = options->num;             // Number of inputs
+
+    // Construct a small convolution kernel to aid in rejection
+    if (!options->convolve) {
+      for (int i = 0; i < num; i++) {
+	psArray *regions = psArrayAllocEmpty(1);
+	psRegion *region = psRegionAlloc(0,options->numCols - 1, 0, options->numRows - 1);
+	regions = psArrayAdd(regions,1, region);
+	
+	psArray *kernels = psArrayAllocEmpty(1);
+	psVector *fwhms = psVectorAllocEmpty(1, PS_TYPE_F32);
+	psVectorAppend(fwhms,5.0); // Should be a parameter
+	psVector *orders = psVectorAllocEmpty(1, PS_TYPE_S32);
+	psVectorAppend(orders,0);
+	pmSubtractionKernels *kernel = pmSubtractionKernelsISIS(15,0,fwhms,orders,0,*region,PM_SUBTRACTION_MODE_2);
+	kernels = psArrayAdd(kernels, 1, kernel);
+	
+	kernel->solution1 = psVectorAlloc(3, PS_TYPE_F64);
+	psVectorSet(kernel->solution1, 1, 1.0);
+	psVectorSet(kernel->solution1, 2, 1.0);
+	psVectorSet(kernel->solution1, 3, 1.0);
+	kernel->solution2 = psVectorAlloc(3, PS_TYPE_F64);
+	psVectorSet(kernel->solution2, 1, 1.0);
+	psVectorSet(kernel->solution1, 2, 1.0);
+	psVectorSet(kernel->solution1, 3, 1.0);
+	
+	options->kernels->data[i] = kernels;
+	options->regions->data[i] = regions;
+      }
+    }
+	
 
     psMetadata *recipe = psMetadataLookupMetadata(NULL, config->recipes, PPSTACK_RECIPE); // ppStack recipe