Answer: I apologize if you receive this twice, I had a system problem as I sent the answer the first time and I want to be sure to answer your question.
Since this is your first time with a vegetable garden you may want to keep things fairly simple this year. I would suggest you take a look at the following articles about vegetable gardens to get an idea.
Vegetable Garden 101
Planning a Vegetable Garden
Also, be sure your seedlings are receiving ample light. Here is a little information about seedlings you may find helpful.
Finally, keep in mind lots of gardening is just learning by doing. Enjoy your vegetable garden this summer!
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