You can create ice or snow with a creating procedural ice shape. With the technique of this machine, you can make semi transparent ice material.
Some people use actual ice to make the commercials or videos and animations, but for this you need to start by choosing an icemaker of the best quality and frozen temperature to maintained it the way you want to or the way is supposed, in the Icemaker zone you can find great quality for this process, but there are still people who just prefer to save themselves the trouble and do it the procedural kind of way.
There’s also the phantom maker which is a complete clear ice system for professional and home bartenders ti create crystal clear and ultra dense spheres, large cubes, standard cubes, collins spears, and prisms with an ordinary home freezer and any water source.
And why procedural, they are seamless, flexible, changeable and often without any need for UV unwrap. Just add it to your object, set the proper light on it and it look good, and this way you create the object without using any images at all.