I am experiencing a very similar problem. I just installed the Windows version of OpenLP 2.0.5 but selected 3 translations - American Standard (English), King James (English), and Las Sagradas Escrituras (Spanish). All three versions indicated they were copied down during the install, but when started the software and went to the Bible dropdown list, the only version available is ASV.
I would move the Bible out of the folder and import it as you suggest, but I do not know what folder the Bibles are in.
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Later, I did try connecting to Bible Gateway, and was able to successfully add one of their bibles in addition to the ASV. However, I really would like to get the other installed versons working, since Bible Gateway will only work while connected to the internet.