Help me Obi-Wan F-listies

So. Geo and I are reading a hilarious story as part of a presentation at the end of the month. And the roles I'm going to read are native Texans. The problem being that my Southern accent is kind of generic and mostly based on my Virginia aunt, who has more of a lilt than a twang. One of the characters I'm reading will have the lilt, but I want the other to have the twang.

So my question is this: Are there any websites that I can go to to actually listen to Texas dialects? I've found lots of websites that talk about the dialects, but none that have recordings to listen to. I'd kind of like to hear the real thing, rather than just kind of wing it.

You know?