I definitely would not use a Slider for this.
I set up a set of pages in a Horizontal Supersite with a gap of 5px.
Each page is designed to exactly hold one image. Do not have a page shadow.
I made it A4-scaled of 210x297px. Each can have any Xara effect, rollovers, links to a fresh page, ...
This alone overpowers a carousel.
I published this all to a sub-folder, newsletters.
In the main site, I created a Placeholder with body code: <iframe name="newsletters" width=100% height=100% src="newsletters/index.htm"></iframe>"
The placeholder width was 4 times the newsletter width plus a margin (e.g., 4 x 210 + 3 x 5 --> 855px); height was 297px.
Rough & ready demo:
http://acorn.xara.hosting/sailtime/
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