ajaxload is a free service which can generate a ajax loading bar for web developers.
If you are a web developer, i believe you will need the ajax loading bar for Web 2.0 application. But, generate a ajax loading bar will take some time, if you are new to graphic design. So, you may try ajaxload, a service which can create a simple ajax loading bar.
There are 3 options that you can choose from: Indicator type, Background and Foreground color. There are around 35 different indicator that you can choose from. After you done the settings, press the Generate it button and the result will show at the bottom. You can download the loading bar in gif format.
Would this be easy to implement into a php application?
beatiful loading bar