Glad to help!! As you can tell, we like to talk about this stuff!
A lot of this depends on what you like, and what fits in your lifestyle, so pick and choose. I'm sure others will chime in.
First and foremost, I would say that you need to find ways to get yourself to do whatever basic prep you need. For example, I bring snacks and lunch to work everyday. It keeps me away from the vending machine (where I used to find many a Frito-filled lunch) and gives me healthier food so I'm a little less hungry. But the system only works if I a) pack the food and b) bring the food! I often spend some time Sunday nights packing up bags of veggies and nuts and all that, so I can just grab in the mornings. And I keep a "stash" of stuff in my desk at work most of the time...
Anyway, I'll start with a lot of my "on the go" snacks... many of these are low carb:
- bags of fresh raw veggies (carrots, cucumber, sugar snap peas, radishes, bell pepper strips)
- hummus sometimes (for the veggies!)
- hard boiled egg
- string cheese or baby bel cheese
- yogurt
- a single serving of NUTS (a scale is your friend here...my servings are around 20 grams). Pistachios, almonds, pecans...
- a single piece of bread and peanut butter (not so low carb though)
- fruit!! (though some are less "low carb" friendly)
- cottage cheese
Good stuff for the pantry (in addition to the above)
- tuna fish
- various low fat cheese
- oatmeal (if you're going to have a carb, it's a good one!)
- salad fixings
- olive oil (a healthy fat, for cooking and homemade salad dressing)
- eggs
I have to run, but hopefully you'll get some more ideas!!!