* The old, forgotten book lay open on the table, its pages as yellow as a overripe banana**.
* After a long day of hiking, my legs felt as heavy and wobbly as a banana peel**.
* The comedian's jokes were so bad, they were as funny as a rotten banana**.
* The baby's giggles were as sweet and infectious as the scent of a ripe banana**.
Let me know if you'd like me to create more simile sentences!