Found a great Milagros site with great info!
Zanzibartrading.com/MexicanMilagros.htm
HEARTS, SACRED HEARTS, HEARTS WITH SWORDS
These can represent the human heart, and it might be connected with cares of worries over a heart condition. Or, it might represent the love that one person feels for another. They can also represent the Sacred Heart of Jesus or the Sacred Heart of Mary.
EYES, DOUBLE EYES, GLASSES
The milagro of the eyes is often connected with a popular Mexican saint - Santa Lucia - who, in her popular image, is shown with a tray with two eyes on it. People pray to her - and make mandas to her - about eye conditions. The eyes can also represent the concept of watching. One practice is to attach the milagro to the frame of the image of a deceased person, in the belief that this might represent the concept that the spirit of that person is watching over us, and helping to defend us from spirits from the land of the dead, or pleading our case before the saints and the angels.
BODY PARTS (LUNGS, EARS, KIDNEYS, ETC)
Various body parts, such as kidneys, livers, lungs, ears, noses, breasts, lips/mouth as well as the better known arms and legs are usually used when asking for help with a particular ailment of the identified part (ie Lung cancer, Kidney stones, hearing loss, etc.)
AUTOMOBILES, CARS & TRUCKS
As pictured above, cars, trucks and automobiles as well as tractors and other farm machinery is occasionally used.
BOOKS, PENCILS, NOTEBOOKS
Students will often use milagros of books, notepads or pencils…..
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