--- 2800-x2go-thinclientconfig.orig	2017-03-10 14:08:48.368645370 -0600
+++ 2800-x2go-thinclientconfig.new	2017-03-20 14:38:55.812016035 -0500
@@ -139,7 +139,20 @@
 	fi
 fi
 
-x2goclient --thinclient --no-session-edit --no-menu --maximize --add-to-known-hosts --haltbt --read-exports-from=/home/user/export \$LDAPPARAMS \$SESSIONFROM
+# handle additional options for x2goclient passed in as boot parameters
+ADDOPTS=""
+
+# append custom background image if one was retrieved to additional options
+if [ -e /home/user/custom/background.svg ]; then
+    ADDOPTS="\$ADDOPTS --background=/home/user/custom/background.svg"
+fi
+
+# append custom branding image if one was retrieved to additional options
+if [ -e /home/user/custom/background.svg ]; then
+    ADDOPTS="\$ADDOPTS --branding=/home/user/custom/branding.svg"
+fi
+
+x2goclient --thinclient --no-session-edit --no-menu --maximize --add-to-known-hosts --haltbt --read-exports-from=/home/user/export \$LDAPPARAMS \$SESSIONFROM \$ADDOPTS
 XSESSION
 
 chown user:user /home/user/.xsession
@@ -150,6 +163,30 @@
 chown user:user /home/user/{export,logins,mounts}
 chmod 700 /home/user/{export,logins,mounts}
 
+# handle custom images passed in on boot parameters
+mkdir /home/user/custom
+chown user:user /home/user/custom
+chmod 755 /home/user/custom
+BGURL=$(cat /proc/cmdline | \
+    tr ' ' '\n' | \
+    awk -F'=' ' /^backgroundurl=/ { print $2 }')
+if [ -n $BGURL ]; then
+    /usr/bin/wget $BGURL -q -O /home/user/custom/background.svg
+fi
+BRNDURL=$(cat /proc/cmdline | \
+    tr ' ' '\n' | \
+    awk -F'=' ' /^brandingurl=/ { print $2 }')
+if [ -n $BRNDURL ]; then
+    /usr/bin/wget $BRNDURL -q -O /home/user/custom/branding.svg
+fi
+
+#only try to set permissions if files exist
+CUSTFILES=(/home/user/custom/*)
+if [ -e ${CUSTFILES[0]} ]; then
+    chown user:user /home/user/custom/*
+    chmod 644 /home/user/custom/*
+fi
+
 }
 
 X2GoThinClientConfig