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Terminology; a lot of alternative names for the crypto properties and functions which hold them; distinction between Keyed and unkeyed hash functions (stick to unkeyed here);
Discussion of the "Merkle-Damgård structure" that MD4/5, SHA etc follow; a diagram would be appropriate.
Hash functions constructed from block ciphers - Davies-Meyer etc. (Applied Cryptography goes into detail on these)
Hash functions used to construct other primitives; e.g. block ciphers from hash functions (e.g. SHACAL, BEAR and LION), stream ciphers (SEAL), MACs from hash functions (HMAC) and PRNGs.
Discuss recommended sizes for hash functions; quantify "hard", MD5CRK
Provide a little detail about specific, popular hash functions
Give an example of Yuval's collision attack on signing hashed messages.
