Hi, if it is wrinkled penis, then it is quite common for many in the non erect state. Since the penis is in its minimum size, it shall look as such. Hence that is not a disease. Coming to your query on big spots in the head of the penis, it shall need to be assessed regarding the color, size, number, distribution, etc to comment better on that. It could be an allergic reaction, bacterial or fungal infection. You shall need to consult a Dermatologist for this purpose.