diff --git a/content/accountfree.fr.md b/content/accountfree.fr.md
index 71ade5b..fa78d89 100644
--- a/content/accountfree.fr.md
+++ b/content/accountfree.fr.md
@@ -3,6 +3,7 @@ title: AccountFree
 description: Naviguez et utilisez des services en ligne, sans compte.
 layout: app
 
+HeaderImage: /img/full/accountfree.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: accountfree
diff --git a/content/accountfree.md b/content/accountfree.md
index 8a53b10..09f34cd 100644
--- a/content/accountfree.md
+++ b/content/accountfree.md
@@ -3,6 +3,7 @@ title: AccountFree
 description: Browse and use online services, free of account.
 layout: app
 
+HeaderImage: /img/full/accountfree.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: accountfree
diff --git a/content/logarithmplotter.fr.md b/content/logarithmplotter.fr.md
index 8956fd4..dedd284 100644
--- a/content/logarithmplotter.fr.md
+++ b/content/logarithmplotter.fr.md
@@ -2,6 +2,8 @@
 title: LogarithmPlotter
 description: Logiciel de traçage 2D pour les diagrammes de BODE, les suites et les fonctions de répartition.
 layout: app
+
+HeaderImage: /img/full/logarithmplotter.png
 SectionHeader:
     AppIndex: logarithmplotter
     Background: linear-gradient(135deg, rgba(255,255,255,1) 10%, rgba(170,170,170,1) 90%)
diff --git a/content/logarithmplotter.md b/content/logarithmplotter.md
index 601ac32..4ab43df 100644
--- a/content/logarithmplotter.md
+++ b/content/logarithmplotter.md
@@ -2,6 +2,8 @@
 title: LogarithmPlotter
 description: 2D plotter software to make BODE plots, sequences and repartition functions.
 layout: app
+
+HeaderImage: /img/full/logarithmplotter.png
 SectionHeader:
     AppIndex: logarithmplotter
     Background: linear-gradient(135deg, rgba(255,255,255,1) 10%, rgba(170,170,170,1) 90%)
diff --git a/content/nowox.fr.md b/content/nowox.fr.md
index 6ce9ec4..7ea7646 100644
--- a/content/nowox.fr.md
+++ b/content/nowox.fr.md
@@ -3,6 +3,7 @@ title: "Nowox"
 description: Un environnement de bureau pour terminal.
 layout: app
 
+HeaderImage: /img/full/nowox.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: nowox
diff --git a/content/nowox.md b/content/nowox.md
index 31b2819..42313b2 100644
--- a/content/nowox.md
+++ b/content/nowox.md
@@ -3,6 +3,7 @@ title: Nowox
 description: A terminal desktop environment.
 layout: app
 
+HeaderImage: /img/full/nowox.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: nowox
diff --git a/content/unchecker.fr.md b/content/unchecker.fr.md
index a4c2654..a7b93a1 100644
--- a/content/unchecker.fr.md
+++ b/content/unchecker.fr.md
@@ -3,6 +3,7 @@ title: unchecker
 description: Une simple extension pour navigateur permettant de décocher toutes les cases d'une page.
 layout: app
 
+HeaderImage: /img/full/unchecker.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: unchecker
diff --git a/content/unchecker.md b/content/unchecker.md
index 6a8bfd9..a5921ce 100644
--- a/content/unchecker.md
+++ b/content/unchecker.md
@@ -3,6 +3,7 @@ title: unchecker
 description: Simple web extension letting you uncheck all checkboxes on a page.
 layout: app
 
+HeaderImage: /img/full/unchecker.png
 HeaderTextWhite: true
 SectionHeader:
     AppIndex: unchecker
diff --git a/themes/omegamma b/themes/omegamma
index 518cee4..c0904b4 160000
--- a/themes/omegamma
+++ b/themes/omegamma
@@ -1 +1 @@
-Subproject commit 518cee4e0095b9069113d668d2daa435f90638e3
+Subproject commit c0904b4b772e0bf108cc40fa9e12e944c7d518a8