diff --git a/com/isoterminal.js b/com/isoterminal.js
index b6bd3f0..8dbf4fa 100644
--- a/com/isoterminal.js
+++ b/com/isoterminal.js
@@ -107,7 +107,11 @@ AFRAME.registerComponent('isoterminal', {
       instance.winbox.setTitle( `${w.titleBak} [${msg}]` )
     }
 
-    var emulator = window.emulator = dom.emulator = new V86({
+    let image = {}
+    if( this.data.iso.match(/\.iso$/) ) image.cdrom       = { url: this.data.iso }
+    if( this.data.iso.match(/\.bin$/) ) image.bzImage.url = this.data.iso 
+
+    var emulator = window.emulator = dom.emulator = new V86({ ...image,
       wasm_path:        "com/isoterminal/v86.wasm",
       memory_size:      32 * 1024 * 1024,
       vga_memory_size:  2 * 1024 * 1024,
@@ -120,13 +124,7 @@ AFRAME.registerComponent('isoterminal', {
         url: "com/isoterminal/bios/vgabios.bin",
       },
       network_relay_url: "wss://relay.widgetry.org/",
-      cdrom: {
-        url: this.data.iso,
-      },
       cmdline: "rw root=host9p rootfstype=9p rootflags=trans=virtio,cache=loose modules=virtio_pci tsc=reliable init_on_free=on",
-      bzimage:{
-        url: "com/isoterminal/images/buildroot-bzimage.bin"
-      },
       //bzimage_initrd_from_filesystem: true,
       //filesystem: {
       //          baseurl: "com/isoterminal/v86/images/alpine-rootfs-flat",
diff --git a/com/isoterminal/mnt/profile b/com/isoterminal/mnt/profile
index 0adf165..5169429 100644
--- a/com/isoterminal/mnt/profile
+++ b/com/isoterminal/mnt/profile
@@ -1,6 +1,9 @@
-# install xrsh env
+# source xrsh env
 source /mnt/profile.xrsh
 
+# source javascript functions
+js "$(cat /mnt/profile.js)"
+
 ## forward not-found commands to javascript (via jsh)
 command_not_found_handle(){
   echo "$1 not found, did you mean $1(...) (javascript?)"
@@ -9,12 +12,9 @@ command_not_found_handle(){
   alert 'js shellfunction:' "type 'alias $1=\"jsh $1\"' to run '$1 yo' as $1('yo')"
   alert 'js logging:      ' "type 'echo 0 > /dev/browser/console.tty' to disable"
   alert 'js capture log:  ' "type 'tail -f /dev/browser/console'"
-  alert 'jsh<->sh hooks:  ' "type 'chmod +x ~/hook.d/alert/* && alert helloworld'"
+  alert 'jsh<->sh hooks:  ' "type 'chmod +x ~/hook.d/*/* && alert helloworld'"
 }
 
-# source javascript functions
-#js "$(cat /mnt/profile.js)"
-
 resize
 #clear 
 cat /mnt/motd