If you want to mine with your old 2GB card, I can suggest you take a look at these mining apps:
https://bitcoinminingsoftware.com/windows/

Each one of them supports various coins and algorithms so you can test them all and see which one gives you the best profitability.

And of course, keep in mind that profitability changes with the market, so you can also mine something that doesn't seem profitable right now, but has potential and will bring you profit over time...