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It allows you personalize logon background, text color, contacts list, contact list background, chat background, transparency effect to Chat, toast background and text color and more.

And the beauty of this Skin Builder is that it lets you preview the skin before exporting it. Of course, it also lets you import a Messenger skin to customize it with Skin Builder. Here are the key features of Messenger Skin Builder:
# Skin preview feature
# Import and export skins
# Export images
# Skin Messenger icon
# Change display picture frame
# Customize toolbar buttons
# Personalize toast text color & background
# Customize logon background and text color
# Customize contacts list background and text color
# Customize chat background and transparency

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