Logo slider in sidebar
I would like to include a logo slider in the sidebar where I can show my customers' logos and link the logos to their author pages.
Could someone please provide me with a function which I could include in a text widget? I would like to avoid installing further plugins.
The slider should show one logo at a time and logos should automatically change (slide or fade) every 3 seconds. See enclosed picture for reference, arrows are not necessarily needed.
Any help is strongly appreciated!