The matter of using different files extensions while developing web graphics and banner ads is of great importance and you should always pay attention to the special files formats and types to be developed and then used in your online advertising and promotional programs and campaigns. You know some formats like JPEG and JPG belong to the same family of file types and while considering using them, you can easily make selection from among them and there would be no actual difference because although apparently two different names and terms have been mentioned and introduced in here but they are actually one file type and represented an written in two various formats and version types. By taking a look at the ads developed and used in special prrojects on the web relevant to the static ads types and formats you can say that in most cases in which affordable banner design is going to be discussed the JPEG ads are used more than their other fellow counterparts or the JPG files. The matter can be compared to the other situations you are familiar with such as the HTML or HTML files types and as you know, they both are the same as each other and no difference between the two terms used from a technical and web related point of view. If you are in doubt over selecting the best file format for your ads created and used, you can easily stick to and continue using the JPEG ads and graphics as they are great and really excellent to be used in web static files and graphics. You know, selection of banner ads types and extensions is important because the matter is not that simple to say by doing a simple renaming of the files and ads you could be creating new favorite files and media types and the special names coming at the very end parts of the ads developed are the result of the files development phases as well as the special technologies used by professional designers.