diff --git a/code_backend_theme/__manifest__.py b/code_backend_theme/__manifest__.py
index 2e1cf21bf..55a7f2301 100644
--- a/code_backend_theme/__manifest__.py
+++ b/code_backend_theme/__manifest__.py
@@ -24,7 +24,7 @@
     "name": "Code Backend Theme V15",
     "description": """Minimalist and elegant backend theme for Odoo 14, Backend Theme, Theme""",
     "summary": "Code Backend Theme V15 is an attractive theme for backend",
-    "category": "Theme/Backend",
+    "category": "Themes/Backend",
     "version": "15.0.0.0.1",
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',
diff --git a/code_backend_theme_enterprise/__manifest__.py b/code_backend_theme_enterprise/__manifest__.py
index 97f77d3e0..644b3b565 100644
--- a/code_backend_theme_enterprise/__manifest__.py
+++ b/code_backend_theme_enterprise/__manifest__.py
@@ -24,7 +24,7 @@
     "name": "Code Backend Theme V15 Enterprise",
     "summary": "Minimalist and elegant backend theme for Odoo 15 Enterprise",
     "description": """Minimalist and elegant backend theme for Odoo 15 Backend Theme Enterprise, Enterprise Theme, Backend Theme, Enterprise Backend Theme, V15 Theme""",
-    "category": "Theme/Backend",
+    "category": "Themes/Backend",
     "version": "15.0.1.0.0",
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',
diff --git a/dark_mode_backend/__manifest__.py b/dark_mode_backend/__manifest__.py
index d78921e03..ab1eb50ff 100644
--- a/dark_mode_backend/__manifest__.py
+++ b/dark_mode_backend/__manifest__.py
@@ -24,7 +24,7 @@
     "name": "Dark Mode Backend Theme",
     "description": """Minimalist and elegant backend theme for Odoo 15, Backend Theme, Theme""",
     "summary": "Dark Mode Backend Theme V15 is an attractive theme for backend",
-    "category": "Theme/Backend",
+    "category": "Themes/Backend",
     "version": "15.0.1.0.0",
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',
diff --git a/jazzy_backend_theme/__manifest__.py b/jazzy_backend_theme/__manifest__.py
index 95aa9da6e..2d902e126 100644
--- a/jazzy_backend_theme/__manifest__.py
+++ b/jazzy_backend_theme/__manifest__.py
@@ -24,7 +24,7 @@
     "name": "Jazzy Backend Theme v15",
     "description": """Minimalist and elegant backend theme for Odoo 15, Backend Theme, Theme""",
     "summary": "Jazzy backed Theme V15 is an attractive theme for backend",
-    "category": "Theme/Backend",
+    "category": "Themes/Backend",
     "version": "15.0.1.0.0",
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',
@@ -52,7 +52,7 @@
     },
     'images': [
         'static/description/banner.png',
-        'static/description/theme_screenshot.png',
+        'static/description/theme_screenshot.gif',
     ],
     'license': 'LGPL-3',
     'installable': True,
diff --git a/jazzy_backend_theme/static/description/assets/.DS_Store b/jazzy_backend_theme/static/description/assets/.DS_Store
deleted file mode 100644
index 84181bb36..000000000
Binary files a/jazzy_backend_theme/static/description/assets/.DS_Store and /dev/null differ
diff --git a/jazzy_backend_theme/static/description/banner.png b/jazzy_backend_theme/static/description/banner.png
index cf5ee5b05..865e363d5 100644
Binary files a/jazzy_backend_theme/static/description/banner.png and b/jazzy_backend_theme/static/description/banner.png differ
diff --git a/jazzy_backend_theme/static/description/icon.png b/jazzy_backend_theme/static/description/icon.png
index 92be6a488..37dc46841 100644
Binary files a/jazzy_backend_theme/static/description/icon.png and b/jazzy_backend_theme/static/description/icon.png differ
diff --git a/jazzy_backend_theme/static/description/theme_screenshot.gif b/jazzy_backend_theme/static/description/theme_screenshot.gif
new file mode 100644
index 000000000..28a731cae
Binary files /dev/null and b/jazzy_backend_theme/static/description/theme_screenshot.gif differ
diff --git a/jazzy_backend_theme/static/description/theme_screenshot.png b/jazzy_backend_theme/static/description/theme_screenshot.png
deleted file mode 100644
index b5be62d8f..000000000
Binary files a/jazzy_backend_theme/static/description/theme_screenshot.png and /dev/null differ
diff --git a/vista_backend_theme/__manifest__.py b/vista_backend_theme/__manifest__.py
index 35401e793..77477c393 100644
--- a/vista_backend_theme/__manifest__.py
+++ b/vista_backend_theme/__manifest__.py
@@ -24,7 +24,7 @@
     "name": "Vista Backend Theme V15",
     "description": """Minimalist and elegant backend theme for Odoo 14, Backend Theme, Theme""",
     "summary": "Vista Backend Theme V15 is an attractive theme for backend",
-    "category": "Theme/Backend",
+    "category": "Themes/Backend",
     "version": "15.0.1.0.1",
     'author': 'Cybrosys Techno Solutions',
     'company': 'Cybrosys Techno Solutions',