What kind of mix do you think my dog is?

I first got her when she was 6 weeks old from the dog pound---they told me what kind of mix they thought she was. Just wondering what your opinions are, because the dog pound isn't always correct; unless they know for the puppies parents (one time someone brought some puppies to the vet, along with the parents; the parents were a black lab, and a sheltie----one of the offspring of that mix looked like a Golden Retriever).<br><br>Anyways here is some info on my dog:<br>She's now 11 years old, and weighs about 24 pounds. I would say she is about the size of a Beagle or Sheltie (height-ways). She can be very agile and fast---she's very hard to catch if she runs away; runs like a fox. When she was up to a year, she had babies crawling all over her, and she didn't mind it. After 3 years old, whenever they came around, she would get up and move away or snap at them. She is pretty intelligent, but can be very stubborn. She's also has a little Black spot near the back of her tongue---thinking it might be more of a birth mark. When she was younger, she had tons of energy; very unpleasant to walk because she would pull very hard. Now, that she's older and has more training, she has calmed down ALOT---which now I enjoy going everywhere with her, except for when she feels like she needs to bark at everyone and everything that she sees (she can be territorial, but hasn't bitten anyone yet).<br><br>Here are some pics of her:<br><img src="http://i41.tinypic.com/11i1ude.jpg"; alt="http://i41.tinypic.com/11i1ude.jpg"; class="bb-image" /><br>She hated going into her kennel. She was giving me her sad face.<br><br><br><img src="http://i42.tinypic.com/24b1d08.jpg"; alt="http://i42.tinypic.com/24b1d08.jpg"; class="bb-image" /><br>This was about a month after we got her. <br><br><br><img src="http://i44.tinypic.com/xknbdk.jpg"; alt="http://i44.tinypic.com/xknbdk.jpg"; class="bb-image" /><br>This is what she looks like shaved---she developed that underbite (a.k.a. Her smile) as she got older.<br><br><br><img src="http://i41.tinypic.com/ftj713.jpg"; alt="http://i41.tinypic.com/ftj713.jpg"; class="bb-image" /><br>This is her and her playmate---she use to play together and sleep together all the time when they were younger.<br><br><br><img src="http://i41.tinypic.com/2uj79xl.jpg"; alt="http://i41.tinypic.com/2uj79xl.jpg"; class="bb-image" /><br>Like this---She was a couple of months old in this pic, and kitten was just about a month older. My, how they changed in their personalities towards each other as they got older. lol<br><br><br><img src="http://i43.tinypic.com/240yseq.jpg"; alt="http://i43.tinypic.com/240yseq.jpg"; class="bb-image" /><br>She loves sleeping on my blankets.