RTÉ Create Iconography & Poster Design. By Sarah Slattery | Published April 4, 2018 | Full size is 1920 × 1068 pixels RTÉ Create Pull Up Stand & Mockup. RTÉ Create Identity & Branding. RTÉ Create Iconography & Poster Design. Sweet is a multidisciplinary, communications and graphic design agency that can help you grow your brand.