diff --git a/src/devices/graphics/images/bufferqueue.png b/src/devices/graphics/images/bufferqueue.png
index 1951f46..045c699 100644
--- a/src/devices/graphics/images/bufferqueue.png
+++ b/src/devices/graphics/images/bufferqueue.png
Binary files differ
diff --git a/src/devices/graphics/images/graphics_bufferqueue.png b/src/devices/graphics/images/graphics_bufferqueue.png
deleted file mode 100644
index 045c699..0000000
--- a/src/devices/graphics/images/graphics_bufferqueue.png
+++ /dev/null
Binary files differ
diff --git a/src/devices/graphics/images/graphics_pipeline_old.png b/src/devices/graphics/images/graphics_pipeline_old.png
deleted file mode 100644
index 983a517..0000000
--- a/src/devices/graphics/images/graphics_pipeline_old.png
+++ /dev/null
Binary files differ
diff --git a/src/devices/graphics/index.jd b/src/devices/graphics/index.jd
index 9a1fe01..114f68c 100644
--- a/src/devices/graphics/index.jd
+++ b/src/devices/graphics/index.jd
@@ -159,7 +159,7 @@
 
 <p>See the following diagram for the BufferQueue communication process.</p>
 
-<img src="images/graphics_bufferqueue.png"
+<img src="images/bufferqueue.png"
 alt="BufferQueue communication process">
 
 <p class="img-caption"><strong>Figure 3.</strong> BufferQueue communication
@@ -231,4 +231,4 @@
 <p>The synchronization framework also allows implementers to leverage
 synchronization resources in their own hardware components. Finally, the
 framework provides visibility into the graphics pipeline to aid in
-debugging.</p>
\ No newline at end of file
+debugging.</p>
diff --git a/src/source/initializing.jd b/src/source/initializing.jd
index 99d875a..371e8e3 100644
--- a/src/source/initializing.jd
+++ b/src/source/initializing.jd
@@ -79,7 +79,7 @@
 
 <h3 id="installing-required-packages-ubuntu-1404">Installing required packages (Ubuntu 14.04)</h3>
 <p>You will need a 64-bit version of Ubuntu. Ubuntu 14.04 is recommended.</p>
-<pre><code>$ sudo apt-get install bison g++-multilib git gperf libxml2-utils</code></pre>
+<pre><code>$ sudo apt-get install bison g++-multilib git gperf libxml2-utils make zlib1g-dev:i386 zip</code></pre>
 
 <h3 id="installing-required-packages-ubuntu-1204">Installing required packages (Ubuntu 12.04)</h3>
 <p>You may use Ubuntu 12.04 to build older versions of Android. Version 12.04 is not supported on master or recent releases.</p>