The In-article Wallpaperscroller is the most impactfull ad format in an article.
It consists of a video or HTML in the content plus the left and right panels next to the content.
the left and right panel start to appear when the ad in the content comes into view.
This immediately draws all attention to the ad in the content.
You can find an example of the In-article Wallpaperscroller (Amex) here.

Terms
For the fastest service, we recommend using the templates provided by Adsolutions to create your ad. After receiving the ads, created by the customer using our templates, Adsolutions will return fully functional Ads, in the form of an ad tag, within two (2) working days.

If we receive ads or advertisement material, not created by using our template, or created by using other non Adsolutions software, we will return fully functional Ads, in the form of an ad tag, within five (5) working days.

Creating a completely new ad (template) which needs to be compatible with a provided list of websites, will take us a maximum of 10 working days.