They normally mean a declaration of love, not love itself, though. Red tulips mean love and fame. Multi-colored tulips are supposed to represent people with beautiful eyes, and therefore beautiful souls. (The eyes are the window to the soul.) yellow tulips symbolize happiness in one's life.
Toe jam is a slang reference to the dead skin cells, sock fluff, surface dirt, sweat, skin oils and bacteria which tend to collect between a person's toes throughout the day. Poor hygienic practices or certain feet-related medical conditions such as athlete's foot can make the appearance and odor of foot jam even more noticeable.
Where do the Stones come from? Suiseki Stones are legally collected from a variety of streams and rivers across the world. Different rivers tend to create their own unique stone style due to the ecology of the river and the way in which the water develops the stones over time.