Template:Widepic
Usage
{{Widepic|img url|image width|caption|box width}}
The box width
option is optional, and if given a value in pixels followed by "px", or a value in percent followed by "%", will set the width of the box to that amount.
{{ #if: {{{3|}}} | <div class="thumbcaption" style="text-align:center; font-size: 80%; font-weight: normal;">{{{3}}}</div> | }}