diff --git a/app/build.gradle b/app/build.gradle
index 622f7f3..c536ab0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.hossainkhan.android.constraintlayout"
         minSdkVersion rootProject.ext.androidMinSdkVersion
         targetSdkVersion rootProject.ext.androidTargetSdkVersion
-        versionCode 10
-        versionName "1.8-constraint-layout-demo"
+        versionCode 109
+        versionName "1.9-constraint-layout-demo"
         versionNameSuffix "-${gitSha()}"
 
         buildConfigField "String", "GIT_SHA", "\"${gitSha()}\""
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.jpg b/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.jpg
deleted file mode 100644
index ecba032..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.webp b/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.webp
new file mode 100644
index 0000000..c083ebf
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_angry_birds.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_dragon3.jpg b/app/src/main/res/drawable-xxxhdpi/poster_dragon3.jpg
deleted file mode 100644
index c4e07f8..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_dragon3.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_dragon3.webp b/app/src/main/res/drawable-xxxhdpi/poster_dragon3.webp
new file mode 100644
index 0000000..f627ab0
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_dragon3.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.jpg b/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.jpg
deleted file mode 100644
index 74b769f..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.webp b/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.webp
new file mode 100644
index 0000000..46aac31
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_finding_nemo.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_i1.jpg b/app/src/main/res/drawable-xxxhdpi/poster_i1.jpg
deleted file mode 100644
index a682c8a..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_i1.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_i1.webp b/app/src/main/res/drawable-xxxhdpi/poster_i1.webp
new file mode 100644
index 0000000..e48a19c
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_i1.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_i2.jpg b/app/src/main/res/drawable-xxxhdpi/poster_i2.jpg
deleted file mode 100644
index 8715d55..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_i2.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_i2.webp b/app/src/main/res/drawable-xxxhdpi/poster_i2.webp
new file mode 100644
index 0000000..3b38a67
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_i2.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.jpg b/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.jpg
deleted file mode 100644
index fda492b..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.webp b/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.webp
new file mode 100644
index 0000000..84a4da7
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_lego_batman.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.jpg b/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.jpg
deleted file mode 100644
index d627fd2..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.webp b/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.webp
new file mode 100644
index 0000000..f9641ea
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_lego_movie.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.jpg b/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.jpg
deleted file mode 100644
index e6420a4..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.webp b/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.webp
new file mode 100644
index 0000000..ba867e8
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_spider_verse_detail.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.jpg b/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.jpg
deleted file mode 100644
index e6fd666..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.webp b/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.webp
new file mode 100644
index 0000000..83a5343
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/poster_wreckit_ralph.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/spider_verse_background.jpg b/app/src/main/res/drawable-xxxhdpi/spider_verse_background.jpg
deleted file mode 100644
index f168731..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/spider_verse_background.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/spider_verse_background.webp b/app/src/main/res/drawable-xxxhdpi/spider_verse_background.webp
new file mode 100644
index 0000000..f307a8c
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/spider_verse_background.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.jpg b/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.jpg
deleted file mode 100644
index b0e84d4..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.jpg and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.webp b/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.webp
new file mode 100644
index 0000000..0f561e3
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/spider_verse_poster.webp differ
diff --git a/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.png b/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.png
deleted file mode 100644
index 7128efa..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.webp b/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.webp
new file mode 100644
index 0000000..716add4
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/thumb_ted_talk.webp differ
diff --git a/build.gradle b/build.gradle
index d1f030f..122d420 100644
--- a/build.gradle
+++ b/build.gradle
@@ -106,7 +106,7 @@ ext {
     // --------------------------------------------------
     daggerVersion = '2.15' // https://github.com/google/dagger
     timberLibraryVersion = '4.7.1' // https://github.com/JakeWharton/timber
-    leakcanaryLibraryVersion = '2.0-alpha-1' // https://github.com/square/leakcanary/releases
+    leakcanaryLibraryVersion = '2.0-alpha-2' // https://github.com/square/leakcanary/releases
 }
 
 //