Index: trunk/ppStack/src/ppStackCamera.c
===================================================================
--- trunk/ppStack/src/ppStackCamera.c	(revision 30620)
+++ trunk/ppStack/src/ppStackCamera.c	(revision 34800)
@@ -156,5 +156,6 @@
             psString psf = psMetadataLookupStr(&mdok, input, "PSF"); // Name of PSF
             psString sources = psMetadataLookupStr(&mdok, input, "SOURCES"); // Name of sources
-
+	    psString bkgmodel = psMetadataLookupStr(&mdok, input, "BKGMODEL"); // Name of warped background model
+	    
             pmFPAfile *imageFile = defineFile(config, NULL, "PPSTACK.INPUT",
                                               image, PM_FPA_FILE_IMAGE); // File for image
@@ -215,4 +216,21 @@
             }
 
+	    // Grab bkgmodel information here
+	    if (!bkgmodel ||  strlen(bkgmodel) == 0) {
+	      // We have no background models.
+	    }
+	    else {
+	      pmFPAfile *inputBKG = defineFile(config,NULL,"PPSTACK.INPUT.BKGMODEL",bkgmodel,
+					       PM_FPA_FILE_IMAGE);
+	      if (!inputBKG) {
+		psError(psErrorCodeLast(), false,
+			"Unable to define file from bkgmodel %d (%s)",i,bkgmodel);
+		return(false);
+	      }
+	    }// End bkgmodel
+
+
+	    
+	    
             i++;
         }
@@ -460,4 +478,25 @@
     jpeg2->save = true;
 
+    // Output background
+    pmFPAfile *outBkg = pmFPAfileDefineOutput(config,NULL,"PPSTACK.OUTPUT.BKGMODEL");
+    if (!outBkg) {
+      psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.OUTPUT.BKGMODEL"));
+      return(false);
+    }
+    if (outBkg->type != PM_FPA_FILE_IMAGE) {
+      psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.OUTPUT.BKGMODEL is not of type IMAGE");
+      return(false);
+    }
+    outBkg->save = true;
+    pmFPAfile *outBkgRest = pmFPAfileDefineOutput(config,NULL,"PPSTACK.OUTPUT.BKGREST");
+    if (!outBkgRest) {
+      psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.OUTPUT.BKGREST"));
+      return(false);
+    }
+    if (outBkgRest->type != PM_FPA_FILE_IMAGE) {
+      psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.OUTPUT.BKGREST is not of type IMAGE");
+      return(false);
+    }
+    
     // For photometry, we operate on the chip-mosaicked image
     // we create a copy of the mosaicked image for psphot so we can write out a clean image
@@ -496,4 +535,6 @@
     }
 
+    // Define output file here.
+    
     return true;
 }