Vinyl
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picture sleeve (used for singles, albums and everything else that comes with a proper cover)
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custom sleeve (record company sleeve)
poster sleeve
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title sleeve (usually for U.S. promo 12")
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gatefold sleeve
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sheet sleeve (usually for bootlegs)
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picture disc
CD
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cardboard sleeve
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jewel box (used for juke-box version in vinyl section)
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digipack
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special boxed sleeve
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gatefold sleeve
Cassette
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hard box
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cardboard
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hard cardboard box (!)
Video
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cardboard
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plastic case
Others
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White Label (usually for test pressings)
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High Quality
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cut out hole (marks the record as a "discounted" item)