What's the difference between "be made of" and "be made from"?

Right :D or wrong :( ?
Please mark in front of the sentences below with emoticons.
:D for right; :( for wrong.
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The slipper is made of a tire.
The slipper is made from a tire.
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These customes are made of animal skins.
These customes are made from animal skins.
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This special dress is made of silk.
This special dress is made from silk.
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The beads were made of hardened yellow pine sap.
The beads were made from hardened yellow pine sap.
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The box is made of gold.
The box is made from gold.
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And also,
could anyone offer more ambiguous sentences using "be made of" or "be made from"?