German term (edited): Fliegenden Ständen

wäre mein Vorschlag / fliegender Händler = travelling salesmen or hawkers.

In BE we talk about 'fruit & veg stalls', 'market stalls' etc.

Google has 30,400 hits for "fruit & veg stalls" vs. 1,180 for "fruit & veg stands".

a stall, compartment, or light structure for the sale of goods or for display purposes, as at a market, exhibition, or fair

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Note added at 2 days6 hrs (2009-07-26 20:00:29 GMT)
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The term booth implies that it is mobile; it is used even for a simple, improvised table on the farmers market.

As of stall, you need decide.

But I am not inclined to use it.

Here are all meanings of stall:

1. a compartment in a stable or shed for the accommodation of one animal.
2. a stable or shed for horses or cattle.
3. a booth or stand in which merchandise is displayed for sale, or in which some business is carried on (sometimes used in combination): a butcher's stall; a bookstall.
4. carrel (def. 1).
5. one of a number of fixed enclosed seats in the choir or chancel of a church for the use of the clergy.
6. a pew.
7. any small compartment or booth for a specific activity or housing a specific thing: a shower stall.
8. a rectangular space marked off or reserved for parking a car or other vehicle, as in a parking lot.
9. an instance or the condition of causing an engine, or a vehicle powered by an engine, to stop, esp. by supplying it with a poor fuel mixture or by overloading it.
10. Aeronautics. an instance or the condition of causing an airplane to fly at an angle of attack greater than the angle of maximum lift, causing loss of control and a downward spin. Compare critical angle (def. 2).
11. a protective covering for a finger or toe, as various guards and sheaths or one finger of a glove.
12. British. a chairlike seat in a theater, separated from others by arms or rails, esp. one in the front section of the parquet.