Put rice in about 1/4 l boiling salted water and simmer covered for about 20 minutes
Peel and finely chop the garlic. Wash the dill and chop finely, except for a little for garnishing. Mix both with cream and mustard. Season to taste with salt and pepper
Wash the shrimps and salmon and pat dry. Dice salmon. Wash the tomatoes. Cut lemon into slices. Put everything with lemon alternately on skewers. Grease a coated pan with oil and fry the skewers in it for 5-6 minutes. Season with salt and pepper
If necessary, pour rice into cups that have been rinsed cold, press them down and turn them out onto plates. Serve with skewers and sauce. Garnish with rest of dill