diff --git a/tileprep.py b/tileprep.py
index 09c5c1c..ef5f37a 100644
--- a/tileprep.py
+++ b/tileprep.py
@@ -229,6 +229,11 @@ class mstr_tileprep:
                     textfile.write(newline)
 
 
+    # Find neighborinf tiles
+    def _findNeighbors(self, tv, th):
+        return [ (tv+1, th), (tv, th+1), (tv-1, th), (tv, th-1) ]
+
+
     # Walk through the now existing data files and make sure we always pick the correct
     # sources for every tile, thus evading previous edge detection errors
     def _placeTileSources(self, mlat, mlng):
@@ -237,7 +242,7 @@ class mstr_tileprep:
         edge_end = [0,0,0,0] # top, right, bottom, left
 
         # Array with info we need
-        resinfo = ["", ""] # Touch, Resource numbers, contrast
+        resinfo = ["", ""] # Touch, Resource numbers
 
         # Go through everything until the end is reached (no more options left)
         end_reached = False
@@ -251,17 +256,29 @@ class mstr_tileprep:
                 resinfo[0] = self._getResourceTouch(tv, th)
                 resinfo[1] = self._getResourceInfo(tv, th)
 
+                # Only do the following steps if we have nothing stored
                 if resinfo[1] == "0":
-                    self._storeResourceInfo(tv, th, self._selectResources())
-                    resinfo[1] = self._getResourceInfo(tv, th)
+                    neighbors = self._findNeighbors(tv, th)
+                    neighborinfo = ["",""]
+                    for n in range(0, len(neighbors)):
+                        neighborinfo[0] = self._getResourceTouch(neighbors[n][0], neighbors[n][1])
+                        neighborinfo[1] = self._getResourceInfo(neighbors[n][0], neighbors[n][1])
+                        if "b" in neighborinfo[0] and neighborinfo[1] != "0":
+                            resinfo[1] = neighborinfo[1]
+                            break
+                
+                # Store info. At this point we either have neighboring data, or
+                # we need to select something
+                if resinfo[1] == "0": resinfo[1] = self._selectResources()
+                self._storeResourceInfo(tv, th, resinfo[1])
 
+                # Move forward
                 if "t" in resinfo[0]:
                     tv=tv+1
-                    rinfo = self._getResourceInfo(tv, th)
-                    if rinfo == "0": self._storeResourceInfo(tv, th, resinfo[1])
                 else:
                     edge_end[0] = 1
 
+            
             # Go east
             tv = self._tile_v
             th = self._tile_h
@@ -270,17 +287,29 @@ class mstr_tileprep:
                 resinfo[0] = self._getResourceTouch(tv, th)
                 resinfo[1] = self._getResourceInfo(tv, th)
 
+                # Only do the following steps if we have nothing stored
                 if resinfo[1] == "0":
-                    self._storeResourceInfo(tv, th, self._selectResources())
-                    resinfo[1] = self._getResourceInfo(tv, th)
+                    neighbors = self._findNeighbors(tv, th)
+                    neighborinfo = ["",""]
+                    for n in range(0, len(neighbors)):
+                        neighborinfo[0] = self._getResourceTouch(neighbors[n][0], neighbors[n][1])
+                        neighborinfo[1] = self._getResourceInfo(neighbors[n][0], neighbors[n][1])
+                        if "l" in neighborinfo[0] and neighborinfo[1] != "0":
+                            resinfo[1] = neighborinfo[1]
+                            break
+                
+                # Store info. At this point we either have neighboring data, or
+                # we need to select something
+                if resinfo[1] == "0": resinfo[1] = self._selectResources()
+                self._storeResourceInfo(tv, th, resinfo[1])
 
+                # Move forward
                 if "r" in resinfo[0]:
                     th=th+1
-                    rinfo = self._getResourceInfo(tv, th)
-                    if rinfo == "0": self._storeResourceInfo(tv, th, resinfo[1])
                 else:
                     edge_end[1] = 1
 
+
             # Go south
             tv = self._tile_v
             th = self._tile_h
@@ -289,17 +318,29 @@ class mstr_tileprep:
                 resinfo[0] = self._getResourceTouch(tv, th)
                 resinfo[1] = self._getResourceInfo(tv, th)
 
+                # Only do the following steps if we have nothing stored
                 if resinfo[1] == "0":
-                    self._storeResourceInfo(tv, th, self._selectResources())
-                    resinfo[1] = self._getResourceInfo(tv, th)
+                    neighbors = self._findNeighbors(tv, th)
+                    neighborinfo = ["",""]
+                    for n in range(0, len(neighbors)):
+                        neighborinfo[0] = self._getResourceTouch(neighbors[n][0], neighbors[n][1])
+                        neighborinfo[1] = self._getResourceInfo(neighbors[n][0], neighbors[n][1])
+                        if "t" in neighborinfo[0] and neighborinfo[1] != "0":
+                            resinfo[1] = neighborinfo[1]
+                            break
+                
+                # Store info. At this point we either have neighboring data, or
+                # we need to select something
+                if resinfo[1] == "0": resinfo[1] = self._selectResources()
+                self._storeResourceInfo(tv, th, resinfo[1])
 
+                # Move forward
                 if "b" in resinfo[0]:
                     tv=tv-1
-                    rinfo = self._getResourceInfo(tv, th)
-                    if rinfo == "0": self._storeResourceInfo(tv, th, resinfo[1])
                 else:
                     edge_end[2] = 1
 
+
             # Go west
             tv = self._tile_v
             th = self._tile_h
@@ -308,14 +349,25 @@ class mstr_tileprep:
                 resinfo[0] = self._getResourceTouch(tv, th)
                 resinfo[1] = self._getResourceInfo(tv, th)
 
+                # Only do the following steps if we have nothing stored
                 if resinfo[1] == "0":
-                    self._storeResourceInfo(tv, th, self._selectResources())
-                    resinfo[1] = self._getResourceInfo(tv, th)
+                    neighbors = self._findNeighbors(tv, th)
+                    neighborinfo = ["",""]
+                    for n in range(0, len(neighbors)):
+                        neighborinfo[0] = self._getResourceTouch(neighbors[n][0], neighbors[n][1])
+                        neighborinfo[1] = self._getResourceInfo(neighbors[n][0], neighbors[n][1])
+                        if "r" in neighborinfo[0] and neighborinfo[1] != "0":
+                            resinfo[1] = neighborinfo[1]
+                            break
+                
+                # Store info. At this point we either have neighboring data, or
+                # we need to select something
+                if resinfo[1] == "0": resinfo[1] = self._selectResources()
+                self._storeResourceInfo(tv, th, resinfo[1])
 
+                # Move forward
                 if "l" in resinfo[0]:
                     th=th-1
-                    rinfo = self._getResourceInfo(tv, th)
-                    if rinfo == "0": self._storeResourceInfo(tv, th, resinfo[1])
                 else:
                     edge_end[3] = 1