diff --git a/sw/configurator/Makefile b/sw/configurator/Makefile
index 3ae1af8a38..dc57bedddc 100644
--- a/sw/configurator/Makefile
+++ b/sw/configurator/Makefile
@@ -23,7 +23,7 @@
 OCAMLC=ocamlc -g -I +labltk -I +lablgtk2 -I ../lib/ocaml
 
 
-SRC = env.ml tty.ml varXml.ml console.ml tkXml.ml flasher.ml notebook.ml welcome.ml hardware.ml radio.ml servos.ml adc.ml infrared.ml attitude.ml autopilot.ml airframe.ml flightplan.ml upload.ml simulator.ml monitor.ml logalizer.ml main.ml
+SRC = env_conf.ml notebook.ml tty.ml varXml.ml console.ml tkXml.ml flasher.ml welcome.ml hardware.ml radio.ml servos.ml adc.ml infrared.ml attitude.ml autopilot.ml airframe.ml flightplan.ml upload.ml simulator.ml monitor.ml logalizer.ml main.ml
 CMO = $(SRC:.ml=.cmo)
 
 all : configurator medit.out
diff --git a/sw/configurator/env.ml b/sw/configurator/env_conf.ml
similarity index 73%
rename from sw/configurator/env.ml
rename to sw/configurator/env_conf.ml
index 944e39d9fd..0667336ff4 100644
--- a/sw/configurator/env.ml
+++ b/sw/configurator/env_conf.ml
@@ -24,14 +24,7 @@
  *
  *)
 
-let pprz_dir =
-  try
-    Sys.getenv "PAPARAZZI_DIR"
-  with
-    Not_found ->
-      Filename.concat (Filename.dirname Sys.argv.(0)) "../.."
-
-let abs = fun x -> pprz_dir ^ "/" ^ x
+let abs = fun x -> Env.paparazzi_src ^ "/" ^ x
 
 let configurator_dir = abs "sw/configurator"
 
@@ -48,10 +41,3 @@ let tty_rate = Serial.B38400
 
 (* Initialization very early for creation of Textvariables *)
 let _ = Tk.openTk ()
-
-let select_one_file = fun ?(filter="*.xml") use ->
-  let action = function 
-      [] -> ()
-    | [f] -> use f
-    | _ -> failwith "Env.select_one_file: unepected several files" in
-  Fileselect.f ~title:"File Selection" ~action ~filter ~file:"" ~multi:false ~sync:false
diff --git a/sw/configurator/env.mli b/sw/configurator/env_conf.mli
similarity index 88%
rename from sw/configurator/env.mli
rename to sw/configurator/env_conf.mli
index cf56bedcfd..2078d48317 100644
--- a/sw/configurator/env.mli
+++ b/sw/configurator/env_conf.mli
@@ -24,8 +24,6 @@
  *
  *)
 
-val pprz_dir : string
-
 val configurator_dir : string
 val fbw_dir : string
 val ap_dir : string
@@ -36,6 +34,3 @@ val ap_tty : string
 val modem_tty : string
 
 val tty_rate : Serial.speed
-
-val select_one_file : ?filter:string -> (string -> unit) -> unit
-(** File selector. Default [filter] is "*.xml" *)
diff --git a/sw/configurator/flasher.ml b/sw/configurator/flasher.ml
index a68b66b98e..9dbe0d3680 100644
--- a/sw/configurator/flasher.ml
+++ b/sw/configurator/flasher.ml
@@ -50,7 +50,7 @@ let warn =
       
       let erase_AP = fun () ->
 	if switch Ap = 0 then
-	  let command = Printf.sprintf "cd %s; make erase" Env.ap_dir in
+	  let command = Printf.sprintf "cd %s; make erase" Env_conf.ap_dir in
 	  Console.exec command;
 	  destroy () in
       
diff --git a/sw/configurator/flightplan.ml b/sw/configurator/flightplan.ml
index bb08e8db48..bc8d6e1039 100644
--- a/sw/configurator/flightplan.ml
+++ b/sw/configurator/flightplan.ml
@@ -56,7 +56,7 @@ let create_sheet = fun sheets ->
   let f = Frame.create sheets in
   Notebook.create_sheet sheets "Flight Plan" f;
 
-  let b = Button.create ~text:"Calibrate IGN tile" ~command:(fun () -> Env.select_one_file ~filter:"*.png" calibrate_ign_tile) f in
+  let b = Button.create ~text:"Calibrate IGN tile" ~command:(fun () -> Notebook.select_one_file ~filter:"*.png" calibrate_ign_tile) f in
 
   Tk.pack [b];
 
diff --git a/sw/configurator/hardware.ml b/sw/configurator/hardware.ml
index 9adf8c7e67..f1533c0a6b 100644
--- a/sw/configurator/hardware.ml
+++ b/sw/configurator/hardware.ml
@@ -27,22 +27,22 @@
 module FbwMcu = struct
   let name = "Fly by wire"
   let sort = Flasher.Fbw
-  let path = Env.fbw_dir
-  let default_tty = Env.fbw_tty
+  let path = Env_conf.fbw_dir
+  let default_tty = Env_conf.fbw_tty
 end
 
 module ApMcu = struct
   let name = "Autopilot"
   let sort = Flasher.Ap
-  let path = Env.ap_dir
-  let default_tty = Env.ap_tty
+  let path = Env_conf.ap_dir
+  let default_tty = Env_conf.ap_tty
 end
 
 module ModemMcu = struct
   let name = "Ground Modem"
   let sort = Flasher.Modem
-  let path = Env.modem_dir
-  let default_tty = Env.modem_tty
+  let path = Env_conf.modem_dir
+  let default_tty = Env_conf.modem_tty
 end
 
 module type MCU = sig
diff --git a/sw/configurator/notebook.ml b/sw/configurator/notebook.ml
index d26a8aaf69..8bc5fbd2ab 100644
--- a/sw/configurator/notebook.ml
+++ b/sw/configurator/notebook.ml
@@ -60,3 +60,11 @@ let create_sheet w name child =
 
   
   
+let select_one_file = fun ?(filter="*.xml") use ->
+  let action = function 
+      [] -> ()
+    | [f] -> use f
+    | _ -> failwith "Env.select_one_file: unepected several files" in
+  Fileselect.f ~title:"File Selection" ~action ~filter ~file:"" ~multi:false ~sync:false
+
+  
diff --git a/sw/configurator/notebook.mli b/sw/configurator/notebook.mli
index 59e0d54586..b55447f563 100644
--- a/sw/configurator/notebook.mli
+++ b/sw/configurator/notebook.mli
@@ -26,3 +26,7 @@
 
 val create_sheet : 'a Widget.widget -> string -> 'b Widget.widget -> unit
 (** [create_sheet parent name frame] adds the new [frame] tab *)
+
+
+val select_one_file : ?filter:string -> (string -> unit) -> unit
+(** File selector. Default [filter] is "*.xml" *)
diff --git a/sw/configurator/radio.ml b/sw/configurator/radio.ml
index 4e1ee08303..b7e28f390d 100644
--- a/sw/configurator/radio.ml
+++ b/sw/configurator/radio.ml
@@ -139,7 +139,7 @@ let one_channel = fun parent i xml_channel ->
 
 
 let program_board = fun w cs () ->
-  Flasher.make Flasher.Fbw (Printf.sprintf "%s/test" Env.fbw_dir) "TARGET=rc_transmitter load";
+  Flasher.make Flasher.Fbw (Printf.sprintf "%s/test" Env_conf.fbw_dir) "TARGET=rc_transmitter load";
   
   let tty = Hardware.Fbw.get_tty () in
   Tty.connect tty;
diff --git a/sw/configurator/servos.ml b/sw/configurator/servos.ml
index 17838cf444..abc0300997 100644
--- a/sw/configurator/servos.ml
+++ b/sw/configurator/servos.ml
@@ -112,7 +112,7 @@ let create_sheet = fun sheets airframe_xml ->
   in
 
   let program = fun () ->
-    Flasher.make Flasher.Fbw (Printf.sprintf "%s/test" Env.fbw_dir) "TARGET=setup_servos load" in
+    Flasher.make Flasher.Fbw (Printf.sprintf "%s/test" Env_conf.fbw_dir) "TARGET=setup_servos load" in
 
   let legend = Frame.create channels
   and slider = Scale.create tf ~orient:`Horizontal ~min:min_min ~max:max_max ~digits:4 ~label:"micro-seconds" ~resolution:1. ~length:300
diff --git a/sw/configurator/tkXml.ml b/sw/configurator/tkXml.ml
index da91e93960..cfaa0f6c54 100644
--- a/sw/configurator/tkXml.ml
+++ b/sw/configurator/tkXml.ml
@@ -44,7 +44,7 @@ let create_display_frame = fun f xml appli ->
     close_out f;
     destroy () in
 
-  let save_button = Button.create ~text:"Save Config" ~command:(fun _ -> Env.select_one_file save) tf 
+  let save_button = Button.create ~text:"Save Config" ~command:(fun _ -> Notebook.select_one_file save) tf 
   and cancel_button = Button.create ~text:"Cancel" ~command:destroy tf  in
   
   Tk.pack [l] ~side:`Left;
@@ -66,7 +66,7 @@ let create = fun top appli ->
     Console.write (Printf.sprintf "Reading from \"%s\"\n" file);
     
     create_display_frame f (VarXml.of_xml (Xml.parse_file file)) appli in
-  let load_button = Button.create ~text:"Load Config" ~command:(fun _ -> Env.select_one_file load) top in
+  let load_button = Button.create ~text:"Load Config" ~command:(fun _ -> Notebook.select_one_file load) top in
 
   Tk.pack [load_button];
   Tk.pack [f]
diff --git a/sw/configurator/tty.ml b/sw/configurator/tty.ml
index 8b7048651c..d0669d6cb3 100644
--- a/sw/configurator/tty.ml
+++ b/sw/configurator/tty.ml
@@ -42,7 +42,7 @@ let connect = fun tty ->
   if Hashtbl.mem ttys tty then
     deconnect tty;
   let buffer = String.create buffer_len in
-  let fd = Serial.opendev tty Env.tty_rate in
+  let fd = Serial.opendev tty Env_conf.tty_rate in
   let log = fun () ->
     let n = Unix.read fd buffer 0 buffer_len in
     let s = String.sub buffer 0 n in
diff --git a/sw/configurator/welcome.ml b/sw/configurator/welcome.ml
index 7979492665..bdb269387f 100644
--- a/sw/configurator/welcome.ml
+++ b/sw/configurator/welcome.ml
@@ -30,7 +30,7 @@ let create_sheet = fun sheets ->
   
   let l = Label.create ~text:"WELCOME TO THE PAPARAZZI CONFIGURATOR" welcome
   in let img = Imagephoto.create() in
-  Imagephoto.configure img ~file:(Env.configurator_dir^"/penguin.gif") ~format:"gif";
+  Imagephoto.configure img ~file:(Env.paparazzi_src^"/data/pictures/penguin_logo.gif") ~format:"gif";
   let l1 = Label.create ~image:img welcome 
   in Tk.pack [l; l1];