diff --git a/workflow/crop_by_mask_&_restore_crop_box_example.json b/workflow/crop_by_mask_&_restore_crop_box_example.json
index 84cb0f6..2d81ffe 100644
--- a/workflow/crop_by_mask_&_restore_crop_box_example.json
+++ b/workflow/crop_by_mask_&_restore_crop_box_example.json
@@ -1,6 +1,6 @@
 {
-  "last_node_id": 37,
-  "last_link_id": 79,
+  "last_node_id": 38,
+  "last_link_id": 82,
   "nodes": [
     {
       "id": 29,
@@ -20,12 +20,12 @@
         {
           "name": "image",
           "type": "IMAGE",
-          "link": 58
+          "link": 81
         },
         {
           "name": "mask_for_crop",
           "type": "MASK",
-          "link": 59
+          "link": 82
         }
       ],
       "outputs": [
@@ -87,10 +87,10 @@
         1103,
         852
       ],
-      "size": [
-        333.1634277343744,
-        246
-      ],
+      "size": {
+        "0": 333.1634216308594,
+        "1": 246
+      },
       "flags": {},
       "order": 7,
       "mode": 0,
@@ -128,104 +128,6 @@
       "color": "#432",
       "bgcolor": "#653"
     },
-    {
-      "id": 16,
-      "type": "Image Remove Background Rembg (mtb)",
-      "pos": [
-        787,
-        628
-      ],
-      "size": {
-        "0": 294,
-        "1": 230
-      },
-      "flags": {},
-      "order": 2,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "image",
-          "type": "IMAGE",
-          "link": 22
-        }
-      ],
-      "outputs": [
-        {
-          "name": "Image (rgba)",
-          "type": "IMAGE",
-          "links": null,
-          "shape": 3
-        },
-        {
-          "name": "Mask",
-          "type": "MASK",
-          "links": [
-            59
-          ],
-          "shape": 3,
-          "slot_index": 1
-        },
-        {
-          "name": "Image",
-          "type": "IMAGE",
-          "links": [],
-          "shape": 3,
-          "slot_index": 2
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "Image Remove Background Rembg (mtb)"
-      },
-      "widgets_values": [
-        false,
-        240,
-        10,
-        10,
-        false,
-        "#000000"
-      ]
-    },
-    {
-      "id": 2,
-      "type": "LoadImage",
-      "pos": [
-        750,
-        242
-      ],
-      "size": {
-        "0": 315,
-        "1": 314
-      },
-      "flags": {},
-      "order": 1,
-      "mode": 0,
-      "outputs": [
-        {
-          "name": "IMAGE",
-          "type": "IMAGE",
-          "links": [
-            22,
-            58,
-            67
-          ],
-          "shape": 3,
-          "slot_index": 0
-        },
-        {
-          "name": "MASK",
-          "type": "MASK",
-          "links": null,
-          "shape": 3
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "LoadImage"
-      },
-      "widgets_values": [
-        "3840x2160car (13).jpg",
-        "image"
-      ]
-    },
     {
       "id": 4,
       "type": "PreviewImage",
@@ -492,17 +394,100 @@
         false,
         1024
       ]
+    },
+    {
+      "id": 2,
+      "type": "LoadImage",
+      "pos": [
+        729,
+        257
+      ],
+      "size": {
+        "0": 315,
+        "1": 314
+      },
+      "flags": {},
+      "order": 1,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "IMAGE",
+          "type": "IMAGE",
+          "links": [
+            67,
+            80
+          ],
+          "shape": 3,
+          "slot_index": 0
+        },
+        {
+          "name": "MASK",
+          "type": "MASK",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "LoadImage"
+      },
+      "widgets_values": [
+        "3840x2160car (13).jpg",
+        "image"
+      ]
+    },
+    {
+      "id": 38,
+      "type": "LayerMask: RemBgUltra",
+      "pos": [
+        751,
+        648
+      ],
+      "size": {
+        "0": 315,
+        "1": 150
+      },
+      "flags": {},
+      "order": 2,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "image",
+          "type": "IMAGE",
+          "link": 80
+        }
+      ],
+      "outputs": [
+        {
+          "name": "image",
+          "type": "IMAGE",
+          "links": [
+            81
+          ],
+          "shape": 3,
+          "slot_index": 0
+        },
+        {
+          "name": "mask",
+          "type": "MASK",
+          "links": [
+            82
+          ],
+          "shape": 3,
+          "slot_index": 1
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "LayerMask: RemBgUltra"
+      },
+      "widgets_values": [
+        8,
+        0.01,
+        0.99,
+        false
+      ]
     }
   ],
   "links": [
-    [
-      22,
-      2,
-      0,
-      16,
-      0,
-      "IMAGE"
-    ],
     [
       56,
       26,
@@ -511,22 +496,6 @@
       0,
       "IMAGE"
     ],
-    [
-      58,
-      2,
-      0,
-      29,
-      0,
-      "IMAGE"
-    ],
-    [
-      59,
-      16,
-      1,
-      29,
-      1,
-      "MASK"
-    ],
     [
       61,
       29,
@@ -606,6 +575,30 @@
       26,
       1,
       "IMAGE"
+    ],
+    [
+      80,
+      2,
+      0,
+      38,
+      0,
+      "IMAGE"
+    ],
+    [
+      81,
+      38,
+      0,
+      29,
+      0,
+      "IMAGE"
+    ],
+    [
+      82,
+      38,
+      1,
+      29,
+      1,
+      "MASK"
     ]
   ],
   "groups": [],
diff --git a/workflow/image_mask_scale_as_example.json b/workflow/image_mask_scale_as_example.json
index d691a8f..eddb054 100644
--- a/workflow/image_mask_scale_as_example.json
+++ b/workflow/image_mask_scale_as_example.json
@@ -1,6 +1,6 @@
 {
-  "last_node_id": 65,
-  "last_link_id": 146,
+  "last_node_id": 66,
+  "last_link_id": 148,
   "nodes": [
     {
       "id": 42,
@@ -67,63 +67,6 @@
         "Node name for S&R": "LayerMask: MaskPreview"
       }
     },
-    {
-      "id": 16,
-      "type": "Image Remove Background Rembg (mtb)",
-      "pos": [
-        485,
-        735
-      ],
-      "size": {
-        "0": 294,
-        "1": 230
-      },
-      "flags": {},
-      "order": 2,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "image",
-          "type": "IMAGE",
-          "link": 22
-        }
-      ],
-      "outputs": [
-        {
-          "name": "Image (rgba)",
-          "type": "IMAGE",
-          "links": null,
-          "shape": 3
-        },
-        {
-          "name": "Mask",
-          "type": "MASK",
-          "links": [
-            145
-          ],
-          "shape": 3,
-          "slot_index": 1
-        },
-        {
-          "name": "Image",
-          "type": "IMAGE",
-          "links": [],
-          "shape": 3,
-          "slot_index": 2
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "Image Remove Background Rembg (mtb)"
-      },
-      "widgets_values": [
-        false,
-        240,
-        10,
-        10,
-        false,
-        "#000000"
-      ]
-    },
     {
       "id": 58,
       "type": "PreviewImage",
@@ -177,7 +120,7 @@
         {
           "name": "mask",
           "type": "MASK",
-          "link": 145
+          "link": 148
         }
       ],
       "outputs": [
@@ -234,8 +177,8 @@
           "name": "IMAGE",
           "type": "IMAGE",
           "links": [
-            22,
-            144
+            144,
+            147
           ],
           "shape": 3,
           "slot_index": 0
@@ -254,17 +197,57 @@
         "512x512with_background (15).png",
         "image"
       ]
+    },
+    {
+      "id": 66,
+      "type": "LayerMask: RemBgUltra",
+      "pos": [
+        521,
+        777
+      ],
+      "size": {
+        "0": 315,
+        "1": 150
+      },
+      "flags": {},
+      "order": 2,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "image",
+          "type": "IMAGE",
+          "link": 147
+        }
+      ],
+      "outputs": [
+        {
+          "name": "image",
+          "type": "IMAGE",
+          "links": null,
+          "shape": 3
+        },
+        {
+          "name": "mask",
+          "type": "MASK",
+          "links": [
+            148
+          ],
+          "shape": 3,
+          "slot_index": 1
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "LayerMask: RemBgUltra"
+      },
+      "widgets_values": [
+        8,
+        0.01,
+        0.99,
+        false
+      ]
     }
   ],
   "links": [
-    [
-      22,
-      2,
-      0,
-      16,
-      0,
-      "IMAGE"
-    ],
     [
       137,
       42,
@@ -298,8 +281,16 @@
       "IMAGE"
     ],
     [
-      145,
-      16,
+      147,
+      2,
+      0,
+      66,
+      0,
+      "IMAGE"
+    ],
+    [
+      148,
+      66,
       1,
       64,
       2,