diff --git a/.config/karabiner/karabiner.json b/.config/karabiner/karabiner.json
index e5f51ab..3adfdab 100644
--- a/.config/karabiner/karabiner.json
+++ b/.config/karabiner/karabiner.json
@@ -389,17 +389,43 @@
                         "product_id": 666,
                         "vendor_id": 76
                     },
+                    "simple_modifications": [
+                        {
+                            "from": { "key_code": "right_command" },
+                            "to": [{ "key_code": "right_option" }]
+                        }
+                    ]
+                },
+                {
+                    "identifiers": {
+                        "is_keyboard": true,
+                        "product_id": 666,
+                        "vendor_id": 1452
+                    },
+                    "simple_modifications": [
+                        {
+                            "from": { "key_code": "right_command" },
+                            "to": [{ "key_code": "right_option" }]
+                        }
+                    ]
+                },
+                {
+                    "identifiers": {
+                        "is_keyboard": true,
+                        "product_id": 34304,
+                        "vendor_id": 1452
+                    },
                     "ignore": true
                 }
             ],
             "fn_function_keys": [
                 {
-                    "from": { "key_code": "f5" },
-                    "to": [{ "key_code": "f5" }]
+                    "from": { "key_code": "f4" },
+                    "to": [{ "apple_vendor_keyboard_key_code": "mission_control" }]
                 },
                 {
-                    "from": { "key_code": "f6" },
-                    "to": [{ "key_code": "f13" }]
+                    "from": { "key_code": "f5" },
+                    "to": [{ "key_code": "f5" }]
                 }
             ],
             "name": "Default profile",
diff --git a/.config/ranger/rifle.conf b/.config/ranger/rifle.conf
index c524a9c..1715b74 100644
--- a/.config/ranger/rifle.conf
+++ b/.config/ranger/rifle.conf
@@ -1,4 +1,4 @@
-ext jpg = feh --scale-down "$@"
+ext jpg = open -a Preview "$@"
 #ext doc = openoffice4 "$@"
 #ext odt = openoffice4 "$@"