diff --git a/gulpfile.js b/gulpfile.js
index 3d99ee30..a3b07f49 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -4,6 +4,7 @@ var gulp = require('gulp'),
     imagemin = require('gulp-imagemin');
 
 gulp.task('image', function () {
+    // Minify images.
     gulp.src('./source/assets/images/*')
         .pipe(imagemin())
         .pipe(gulp.dest('./source/assets/images'));
diff --git a/source/assets/images/da-individual-member.png b/source/assets/images/da-individual-member.png
index 188217f4..0c5ca535 100644
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diff --git a/source/assets/images/drupal-8.jpg b/source/assets/images/drupal-8.jpg
index 6d8048f8..308ca012 100644
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diff --git a/source/assets/images/drupal-association-become-member.png b/source/assets/images/drupal-association-become-member.png
index 382ec3c8..ecde6d79 100644
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diff --git a/source/assets/images/drupalcon-barcelona.png b/source/assets/images/drupalcon-barcelona.png
index cbbd0920..64552af9 100644
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diff --git a/source/assets/images/drupalcon-la-attending.png b/source/assets/images/drupalcon-la-attending.png
index ac3092fc..87ed669b 100644
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diff --git a/source/assets/images/drupalcon-la-sprinter.png b/source/assets/images/drupalcon-la-sprinter.png
index 49d05069..b0f1dd0a 100644
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diff --git a/source/assets/images/oliver-small.jpg b/source/assets/images/oliver-small.jpg
index 6e93f6c5..258e79f5 100644
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diff --git a/source/assets/images/oliver.jpg b/source/assets/images/oliver.jpg
index 4b3e0319..a754c70d 100644
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