Yes, it is possible to store images in the Ethereum blockchain. However, it is advised that you should not do it.
This is because storing images on the Ethereum blockchain is extremely expensive.
The cost of data storage is 640k gas per Kb of data, and the current gas price is approximately 15 Gwei or 0.000000015 ETH. And 1 ETH equals $200 presently.
So, for uploading 1 Kb, you will be spending $2