Barrel is not picking up launchers ingame properly, some of them (like Opticon or FireExit) don't show up either on the minimap or the Barrel config menu.
I only have this error report:

[2008/11/07 03:31:44-1286-x1]: LibDBIcon-1.0-6 (AutoBar):206: Can't register LDB objects without icons set!
LibDBIcon-1.0-6 (AutoBar):206: in function `Register'
Barrel-0.1\Core.lua:30 in function `RegisterObject'
Barrel-0.1\Core.lua:16 in function <Interface\AddOns\Barrel\Core.lua:14
(tail call): ?:
<in C code>: ?
<string>:"safecall Dispatcher[1]":9: in function <[string "safecall Dispatcher[1]"]:5>
(tail call): ?:
AceAddon-3.0-5 (Ace3):365: in function `EnableAddon'
AceAddon-3.0-5 (Ace3):435: in function <Interface\AddOns\Ace3\AceAddon-3.0\AceAddon-3.0.lua:421
<in C code>: in function `LoadAddOn'
Interface\FrameXML\UIParent.lua:991 in function `UIParentLoadAddOn':
Interface\FrameXML\UIParent.lua:241 in function `CombatLog_LoadUI':
Interface\FrameXML\UIParent.lua:389 in function `UIParent_OnEvent':
<string>:"*:OnEvent":1: in function <[string "*:OnEvent"]:1>

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The last fine version is r41 for me.