diff --git a/Cura/alterations/end.gcode b/Cura/alterations/end.gcode
index 4061667..a84b131 100644
--- a/Cura/alterations/end.gcode
+++ b/Cura/alterations/end.gcode
@@ -1,7 +1,6 @@
-M104 S0                ;extruder heat off
-G91                    ;relative positioning
-G1 Z+10 E-5 F400       ;move Z up a bit and retract filament by 5mm
-G28 X0 Y0              ;move X/Y to min endstops, so the head is out of the way
-M84                    ;steppers off
-G90                    ;absolute positioning
-
+M104 S0                    ;extruder heat off
+G91                        ;relative positioning
+G1 Z+10 E-5 F{max_z_speed} ;move Z up a bit and retract filament by 5mm
+G28 X0 Y0                  ;move X/Y to min endstops, so the head is out of the way
+M84                        ;steppers off
+G90                        ;absolute positioning
diff --git a/Cura/alterations/start.gcode b/Cura/alterations/start.gcode
index 7db5699..94869d2 100644
--- a/Cura/alterations/start.gcode
+++ b/Cura/alterations/start.gcode
@@ -8,13 +8,14 @@ G28 Z0     ;move Z to min endstops
 ; to Z1.0 - the number after the Z is the actual, physical
 ; height of the nozzle in mm. This can take some messing around
 ; with to get just right...
-G92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0
-G1 Z15.0 F400  ;move the platform down 15mm
-G92 E0         ;zero the extruded length
+G92 X0 Y0 Z0 E0         ;reset software position to front/left/z=0.0
+G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
+G92 E0                  ;zero the extruded length
 
-G1 F75 E5      ;extrude 5mm of feed stock
-G1 F75 E3.5    ;reverse feed stock by 1.5mm
-G92 E0         ;zero the extruded length again
+G1 F200 E5              ;extrude 5mm of feed stock
+G1 F200 E3.5            ;reverse feed stock by 1.5mm
+G92 E0                  ;zero the extruded length again
 
-G1 X100 Y100 F3500 ;go to the middle of the platform
-G1 Z0.0 F400   ;back to Z=0 and start the print!
+;go to the middle of the platform, and move to Z=0 before starting the print.
+G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
+G1 Z0.0 F{max_z_speed}
diff --git a/Cura/util/profile.py b/Cura/util/profile.py
index dfc2afd..44d8599 100644
--- a/Cura/util/profile.py
+++ b/Cura/util/profile.py
@@ -3,10 +3,7 @@ from __future__ import division
 #Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
 import __init__
 
-import ConfigParser
-import os
-import traceback
-import math
+import ConfigParser, os, traceback, math, re
 
 #########################################################
 ## Profile and preferences functions
@@ -64,10 +61,10 @@ profileDefaultSettings = {
 	'bridge_material_amount': '100',
 	'raft_margin': '5',
 	'raft_base_material_amount': '100',
-	'raft_interface_material_amount': '100',
+	'raft_interface_material_amount': '100',
 	'bottom_thickness': '0.3',
 	'add_start_end_gcode': 'True',
-	'gcode_extension': 'gcode',
+	'gcode_extension': 'gcode',
 }
 preferencesDefaultSettings = {
 	'wizardDone': 'False',
@@ -232,10 +229,16 @@ def getCuraBasePath():
 def getAlterationFilePath(filename):
 	return os.path.join(getCuraBasePath(), "alterations", filename)
 
-def getAlterationFileContents(filename, allowMagicPrefix = True):
+def replaceTagMatch(m):
+	tag = m.group(0)[1:-1]
+	if tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
+		return str(getProfileSettingFloat(tag) * 60)
+	return str(getProfileSettingFloat(tag))
+
+def getAlterationFileContents(filename, modifyForOutput = True):
 	"Get the file from the fileName or the lowercase fileName in the alterations directories."
 	prefix = ''
-	if allowMagicPrefix:
+	if modifyForOutput:
 		if filename == 'start.gcode':
 			#For the start code, hack the temperature and the steps per E value into it. So the temperature is reached before the start code extrusion.
 			#We also set our steps per E here, if configured.
@@ -252,6 +255,8 @@ def getAlterationFileContents(filename, allowMagicPrefix = True):
 		file = open(fullFilename, "r")
 		fileText = file.read()
 		file.close()
+		if modifyForOutput:
+			fileText = re.sub("\{[^\}]*\}", replaceTagMatch, fileText)
 		return prefix + fileText
 	return prefix