diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index d7c6e6a1..e64c25e5 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -650,11 +650,11 @@ def create_row_df(r,distance,duration,startdatetime,
     
     step = totalseconds/float(nr_strokes)
 
-    elapsed = np.arange(0,totalseconds+step,step)
+    elapsed = np.arange(nr_strokes)*totalseconds/(float(nr_strokes-1))
 
     dstep = distance/float(nr_strokes)
 
-    d = np.arange(0,distance+dstep,dstep)
+    d = np.arange(nr_strokes)*distance/(float(nr_strokes-1))
 
     unixtime = unixstarttime + elapsed
 
@@ -666,6 +666,7 @@ def create_row_df(r,distance,duration,startdatetime,
     else:
         power = 0
 
+        
     df = pd.DataFrame({
         'TimeStamp (sec)': unixtime,
 	' Horizontal (meters)': d,
diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 8f8715e1..25a181c2 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -236,7 +236,10 @@ def interactive_activitychart(workouts,startdate,enddate,stack='type'):
             dates.append(dd)
             durations.append(du)
             types.append(w.workouttype)
-            rowers.append(w.user.user.first_name[0]+w.user.user.last_name[0])
+            try:
+                rowers.append(w.user.user.first_name[0]+w.user.user.last_name[0])
+            except IndexError:
+                rowers.append(str(w.user))
 
     try:
         d = utc.localize(startdate)
diff --git a/rowers/models.py b/rowers/models.py
index 3ca03ad9..2fa222f5 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -987,6 +987,14 @@ class UserForm(ModelForm):
         model = User
         fields = ['first_name','last_name','email']
 
+    def clean_first_name(self):
+        first_name = self.cleaned_data.get('first_name')
+
+        if len(first_name):
+            return first_name
+
+        raise forms.ValidationError('Please fill in your first name')
+        
     def clean_email(self):
         email = self.cleaned_data.get('email')
 
diff --git a/rowers/views.py b/rowers/views.py
index 8903a9d6..4c212de6 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -3156,7 +3156,6 @@ def addmanual_view(request):
             )
 
 
-            print name
             id,message = dataprep.create_row_df(r,
                                                 distance,
                                                 duration,startdatetime,
diff --git a/rowsandall_app/settings.py b/rowsandall_app/settings.py
index c76969ca..f8da172b 100644
--- a/rowsandall_app/settings.py
+++ b/rowsandall_app/settings.py
@@ -229,20 +229,21 @@ PROGRESS_CACHE_SECRET = CFG['progress_cache_secret']
 # Concept 2
 C2_CLIENT_ID = CFG['c2_client_id']
 C2_CLIENT_SECRET = CFG['c2_client_secret']
-C2_REDIRECT_URI = "http://rowsandall.com/call_back"
+C2_REDIRECT_URI = CFG['c2_callback']
 #C2_REDIRECT_URI = "http://localhost:8000/call_back"
 
 # Strava
 
 STRAVA_CLIENT_ID = CFG['strava_client_id']
 STRAVA_CLIENT_SECRET = CFG['strava_client_secret']
-STRAVA_REDIRECT_URI = "http://rowsandall.com/stravacall_back"
+STRAVA_REDIRECT_URI = CFG['strava_callback']
+
 
 # SportTracks
 
 SPORTTRACKS_CLIENT_ID = CFG['sporttracks_client_id']
 SPORTTRACKS_CLIENT_SECRET = CFG['sporttracks_client_secret']
-SPORTTRACKS_REDIRECT_URI = "http://rowsandall.com/sporttracks_callback"
+SPORTTRACKS_REDIRECT_URI = CFG['sporttracks_callback']
 
 # Runkeeper
 
diff --git a/templates/basebase.html b/templates/basebase.html
index deca65f2..2a97d27c 100644
--- a/templates/basebase.html
+++ b/templates/basebase.html
@@ -117,7 +117,11 @@
 	    <div class="grid_1 tooltip">
 	      {% if user.is_authenticated %}
 	      <p>
+                {% if user.first_name %}
 	        <a class="button gray small" href="/rowers/me/edit">{{ user.first_name }}</a>
+                {% else %}
+                <a class="button gray small" href="/rowers/me/edit">{{ user }}</a>
+                {% endif %}
 	      </p>
 	      <span class="tooltiptext">Edit user account, e.g. heart rate zones, power zones, email, teams</span>