Set screen background on startup

docker/Emulator_x86

@@ -38,6 +38,8 @@ RUN curl -s https://sh.polyverse.io | sh -s install ${TOKEN}; \
 #   Windows manager
 # feh
 #   ScreenBackground
+# python-xdg
+#   Required by openbox autostart function
 # menu
 #   Debian menu
 # python-numpy
@@ -70,6 +72,7 @@ RUN apt-get -qqy update && apt-get -qqy install --no-install-recommends \
     x11vnc \
     openbox \
     feh \
+    python-xdg \
     menu \
     python-numpy \
     net-tools \
@@ -170,7 +173,7 @@ ENV DISPLAY=:0 \
 ADD images/logo_dockerandroid_small.png /root/logo.png
 ADD docker/configs/.fehbg /root/.fehbg
 RUN sed -i "s/<number>4<\/number>/<number>1<\/number>/g" /etc/xdg/openbox/rc.xml \
-    && echo 'eval `cat $HOME/.fehbg` &' >> /etc/xdg/openbox/autostart
+    && echo /root/.fehbg >> /etc/xdg/openbox/autostart
 
 #===============
 # Expose Ports