There's plenty to admire about the current resurgence of making, crafting and DIY, just so long as we all agree that knowing how to do a thing before you start doing it is usually a good idea. Otherwise, you end up with something like this photo gallery at Jalopnik, of the results of too much enthusiasm and not enough know-how in the homebrew auto customization field. Some of the mistakes are only obvious to bona fide automotive gear heads. Others, like the arc welder debacle above, are universally intelligible.
Epic DIY Fail at Jalopnik