@@ -1539,6 +1539,13 @@ }
 			a["url"] = u
 		}
 		j["icon"] = a
+		if ban := user.Options.Banner; ban != "" {
+			a := junk.New()
+			a["type"] = "Image"
+			a["mediaType"] = "image/jpg"
+			a["url"] = ban
+			j["image"] = a
+		}
 	} else {
 		j["type"] = "Service"
 	}

@@ -2,6 +2,8 @@ changelog
 
 === next
 
++ Specify banner: image in profile.
+
 + Update activity compatibility with mastodon.
 
 - Signed fetch.

@@ -178,6 +178,8 @@ meme collection by adding
 .Dq avatar: filename.png
 to one's profile info.
 If truly necessary.
+A banner may be set by specifying
+.Dq banner: image.jpg .
 See
 .Xr honk 8
 for more about the funzone.

@@ -419,6 +419,7 @@ }
 
 var re_memes = regexp.MustCompile("meme: ?([^\n]+)")
 var re_avatar = regexp.MustCompile("avatar: ?([^\n]+)")
+var re_banner = regexp.MustCompile("banner: ?([^\n]+)")
 
 func memetize(honk *Honk) {
 	repl := func(x string) string {

@@ -56,6 +56,7 @@ OmitImages bool   `json:",omitempty"`
 	Avahex     bool   `json:",omitempty"`
 	MentionAll bool   `json:",omitempty"`
 	Avatar     string `json:",omitempty"`
+	Banner     string `json:",omitempty"`
 	MapLink    string `json:",omitempty"`
 	Reaction   string `json:",omitempty"`
 	MeCount    int64

@@ -1147,6 +1147,19 @@ if ava != options.Avatar {
 		options.Avatar = ava
 		sendupdate = true
 	}
+	ban := re_banner.FindString(whatabout)
+	if ban != "" {
+		whatabout = re_banner.ReplaceAllString(whatabout, "")
+		ban = ban[7:]
+		if ban[0] == ' ' {
+			ban = ban[1:]
+		}
+		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
+	}
+	if ban != options.Banner {
+		options.Banner = ban
+		sendupdate = true
+	}
 	whatabout = strings.TrimSpace(whatabout)
 	if whatabout != user.About {
 		sendupdate = true
@@ -2016,6 +2029,9 @@ templinfo["User"] = user
 	about := user.About
 	if ava := user.Options.Avatar; ava != "" {
 		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
+	}
+	if ban := user.Options.Banner; ban != "" {
+		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
 	}
 	templinfo["WhatAbout"] = about
 	err := readviews.Execute(w, "account.html", templinfo)