diff --git a/offlineimap/head/offlineimap.conf b/offlineimap/head/offlineimap.conf
index b54b243..d26cd12 100644
--- a/offlineimap/head/offlineimap.conf
+++ b/offlineimap/head/offlineimap.conf
@@ -54,7 +54,8 @@ maxsyncaccounts = 1
 # fails, the second, and so forth.
 #
 # The pre-defined options are:
-# Tk.TkUI -- A graphical interface
+# Tk.Blinkenlights -- A graphical interface, shows LEDs and a single log
+# Tk.VerboseUI -- A graphical interface, shows logs per thread
 # TTY.TTYUI -- a text-based (terminal) interface
 # Noninteractive.Basic -- Noninteractive interface suitable for cronning
 # Noninteractive.Quiet -- Noninteractive interface, generates no output
@@ -62,7 +63,7 @@ maxsyncaccounts = 1
 #
 # You can override this with a command-line option -u.
 
-ui = Tk.TkUI, TTY.TTYUI
+ui = Tk.Blinkenlights, Tk.VerboseUI, TTY.TTYUI, Noninteractive.Basic
 
 
 ##################################################
@@ -87,6 +88,21 @@ peritem = "+%(accountname)s/%(foldername)s"
 sep = " "
 footer = "\n"
 
+##################################################
+# Blinkenlights configuration
+##################################################
+
+[ui.Tk.Blinkenlights]
+
+# Specifies the default number of lines in the log.
+
+loglines = 5
+
+# If true, says that the log should be enabled by default.
+# Otherwise, you have to click "Show Log" to enable the log.
+
+showlog = false
+
 ##################################################
 # Accounts
 ##################################################
diff --git a/offlineimap/head/offlineimap.py b/offlineimap/head/offlineimap.py
index b5ca253..5e76645 100644
--- a/offlineimap/head/offlineimap.py
+++ b/offlineimap/head/offlineimap.py
@@ -60,7 +60,7 @@ if not os.path.exists(configfilename):
 config.read(configfilename)
 
 if '-u' in options:
-    ui = offlineimap.ui.detector.getUImod(options['-u'])()
+    ui = offlineimap.ui.detector.getUImod(options['-u'])(config)
 else:
     ui = offlineimap.ui.detector.findUI(config)
 ui.init_banner()
@@ -94,6 +94,8 @@ else:
 # asking for passwords simultaneously.
 
 for account in accounts:
+    if '.' in account:
+        raise ValueError, "Account '%s' contains a dot; dots are not allowed in account names."
     if config.has_option(account, "preauthtunnel"):
         tunnels[account] = config.get(account, "preauthtunnel")
     elif config.has_option(account, "remotepass"):
diff --git a/offlineimap/head/offlineimap/ui/Noninteractive.py b/offlineimap/head/offlineimap/ui/Noninteractive.py
index 945e137..42e5f9e 100644
--- a/offlineimap/head/offlineimap/ui/Noninteractive.py
+++ b/offlineimap/head/offlineimap/ui/Noninteractive.py
@@ -40,5 +40,5 @@ class Basic(UIBase):
         return 0
 
 class Quiet(Basic):
-    def __init__(s, verbose = -1):
-        Basic.__init__(s, verbose)
+    def __init__(s, config, verbose = -1):
+        Basic.__init__(s, config, verbose)
diff --git a/offlineimap/head/offlineimap/ui/Tk.py b/offlineimap/head/offlineimap/ui/Tk.py
index 9617387..b1b24d2 100644
--- a/offlineimap/head/offlineimap/ui/Tk.py
+++ b/offlineimap/head/offlineimap/ui/Tk.py
@@ -358,14 +358,16 @@ class Blinkenlights(VerboseUI):
         self.canvas = c
         c.pack(side = BOTTOM, expand = 1)
         widthmetric = tkFont.Font(family = 'Helvetica', size = 8).measure("0")
+        self.loglines = 5
+        if s.config.has_option("ui.Tk.Blinkenlights", "loglines"):
+            self.loglines = s.config.getint("ui.Tk.Blinkenlights", "loglines")
         self.text = Text(self.top, bg = 'black', font = ("Helvetica", 8),
                          bd = 0, highlightthickness = 0, setgrid = 0,
-                         state = DISABLED, height = 5, wrap = NONE,
+                         state = DISABLED, height = self.loglines, wrap = NONE,
                          width = int(c.cget('width')) / widthmetric)
         self.textenabled = 0
         self.tags = []
         self.textlock = Lock()
-        self.loglines = 5
 
     def gettf(s, newtype=LEDThreadFrame):
         return VerboseUI.gettf(s, newtype, s.canvas)
@@ -383,6 +385,9 @@ class Blinkenlights(VerboseUI):
         s.menubar = menubar
         s.gettf().setcolor('red')
         s._msg(version.banner)
+        if s.config.has_option("ui.Tk.Blinkenlights", "showlog") and \
+           s.config.getboolean("ui.Tk.Blinkenlights", "showlog"):
+            s._togglelog()
 
     def _largerlog(s):
         s.loglines += 1
diff --git a/offlineimap/head/offlineimap/ui/UIBase.py b/offlineimap/head/offlineimap/ui/UIBase.py
index 3ee0777..8019195 100644
--- a/offlineimap/head/offlineimap/ui/UIBase.py
+++ b/offlineimap/head/offlineimap/ui/UIBase.py
@@ -22,8 +22,9 @@ import re, time, sys, traceback
 from StringIO import StringIO
 
 class UIBase:
-    def __init__(s, verbose = 0):
+    def __init__(s, config, verbose = 0):
         s.verbose = verbose
+        s.config = config
     
     ################################################## UTILS
     def _msg(s, msg):
diff --git a/offlineimap/head/offlineimap/ui/detector.py b/offlineimap/head/offlineimap/ui/detector.py
index 1458038..e75783f 100644
--- a/offlineimap/head/offlineimap/ui/detector.py
+++ b/offlineimap/head/offlineimap/ui/detector.py
@@ -27,7 +27,7 @@ def findUI(config):
     for uistr in uistrlist:
         uimod = getUImod(uistr)
         if uimod:
-            uiinstance = uimod()
+            uiinstance = uimod(config)
             if uiinstance.isusable():
                 return uiinstance
     sys.stderr.write("ERROR: No UIs were found usable!\n")