Here are some links for Microblaze for the Spartan 3E board.

Here is some information on debouncing the Spartan 3E with VHDL

The tutorials below are a combination of various ISE versions created by different folks.  They are designed to take a person from no knowledge of ISE, simulation or VHDL and bring them to a level of basic competence.  Many links now include videos.

If you don’t find what you are looking for here, fpga4fun is also an excellent place to look.