diff --git a/README.md b/README.md
index 17e2b2e..9a2041b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 
-# diffuseR
+<p align="center">
+<picture>
+<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cornball-ai/diffuseR/main/man/figures/logo-dark.png">
+<img src="https://raw.githubusercontent.com/cornball-ai/diffuseR/main/man/figures/logo.png" alt="diffuseR" width="520"/>
+</picture>
+</p>
 
 [![CRAN status](https://www.r-pkg.org/badges/version/diffuseR)](https://CRAN.R-project.org/package=diffuseR)
 [![Lifecycle: experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)
@@ -326,3 +331,5 @@ This project is licensed under the Apache 2. License - see the LICENSE file for
 - Hugging Face for the original diffusers library
 - Stability AI for Stable Diffusion
 - The R and torch communities for their excellent tooling
+
+The corn kernel in the logo is tiny™, the cornball.ai mascot.
diff --git a/inst/COPYRIGHTS b/inst/COPYRIGHTS
index b561f16..06608d1 100644
--- a/inst/COPYRIGHTS
+++ b/inst/COPYRIGHTS
@@ -35,5 +35,18 @@ package are R ports of, or derived from, third-party work:
    licenses (CreativeML Open RAIL++-M and similar) and are not part of,
    nor redistributed with, this package.
 
+5. The R Foundation
+   https://www.r-project.org/logo/
+   The diffuseR logo (man/figures/logo.png and its dark-mode variant
+   man/figures/logo-dark.png) incorporates the R logo,
+   (c) 2016 The R Foundation, used under CC-BY-SA 4.0
+   (https://creativecommons.org/licenses/by-sa/4.0/). The diffuseR logo
+   image is accordingly licensed CC-BY-SA 4.0; the package code remains
+   Apache License (>= 2).
+
+   tiny, the corn-kernel mascot appearing in the logo, is a trademark
+   of cornball.ai. The CC-BY-SA license on the logo image does not
+   grant trademark rights (CC-BY-SA 4.0, sec. 2(b)(2)).
+
 See inst/REFERENCES.md for a technique-by-technique account of where
 each implementation idea comes from.
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