I'm experimenting a bit with Google Docs.
This spreadsheet shows a couple of charts, comparing Brady Campaign gun law scores by state, with crime rates by state.
A scatter chart with a correlation should show a pattern-Generally the points would be scattered around a diagonal line. In this case, they are very randomly distributed, indicating very low to no correlation between restrictive gun laws and crime.
(This is slightly disappointing--I would have hoped to see strict gun laws associated with more crime)