Here is my garden plan, drawn out. It's designed to feed just me, with all of my favorite food and plants, taking into account what I can get cheaper and easier from my landlord's farmstand and garden, and what I'd rather grow inside or closer to home (herbs - which will be tucked into the ornamental border planted around my house), and what I'd rather not grow. I just realized that I totally forgot onions. go figure. Also...it's somewhat revised from the plan I described earlier. I'm sure it will be revised even more when I till and plant.
I always draw my garden plans oriented to the South (see the compass rose on the right), and I include the year and where I'm gardening for my records (not shown in this image). This is the last of about 10 drawings I did (most small and in pencil) and it includes planting distance, thinning distance (where applicable), and some notes on plantings as they change (ie - peas followed by beans). On first thought, I'll probably add a small bed south of the garden, I'm thinking 2 feet by 20 feet and plant it full of onions and that way I'll have enough onions for spring and winter (I hope).
Now all I need to do is make a calendar of when I will be planting everything - indoors, transplanting, direct seeding, etc. to finish with this initial planning stage. Getting the planning stage done early means not realizing a week late that you should have planted the corn already.
Feel free to use as much or as little of this garden plan as you'd like, and copy it entirely if you so desire. I hope it helps.