I saw an oil rubbed bronze toilet flush handle at Lowe's. It was only $20 so I decided to grab it. A nice cheap way to update the toilet to fit with the other hardware/fixtures in the bathroom.
You just need to take the tank lid off then unhook the chain to the rod of the toilet handle. Then use wrench or some pliers to unscrew the nut that holds the handle on. Pull out the old handle. Put the knew handle rod through the hole in the tank. Put the nut back on and tighten it. Lastly reattach the chain. It took only a minute to do.
The new handle: