Compliment the bae when she changes her DP on whatsapp. Modify periodically.js to include babe's name and your personal message. This can be modified to include a pool of messages to pick from.

web/whatzaap/manifest.json

@@ -0,0 +1,18 @@
+{
+  "manifest_version": 2,
+
+  "name": "WhatsEasy",
+  "description": "WhatsApp Automator",
+  "version": "1.0",
+  "content_scripts": [
+    {
+      "matches": ["https://web.whatsapp.com/"],
+
+      "js": ["jquery.js", "periodically.js"]
+    }
+  ],
+  "permissions": [
+     "tabs", "https://*/*"
+  ]
+
+}

web/whatzaap/periodically.js

@@ -0,0 +1,90 @@
+var contact_name = "Bae name here",
+    timeout = 1000*60,
+    message = "hey nice pic";
+
+if (!window.localStorage["WhatsEasy"]) {
+    var data = JSON.stringify({"dp" : ""});
+    window.localStorage['WhatsEasy'] = data;
+}
+
+console.log("last_image ", window.localStorage["WhatsEasy"]);
+
+function send(msg) {
+        jQuery('.input-container').find('.input').html(msg);
+        jQuery('.btn-emoji').click();
+        jQuery('.icon-emoji-people').click();
+        jQuery('.emojiordered1167').click();
+        jQuery('.send-container').click();     
+}
+function convertImgToBase64URL(url, callback, outputFormat){
+    var img = new Image();
+    img.crossOrigin = 'Anonymous';
+    img.onload = function(){
+        var canvas = document.createElement('CANVAS'),
+        ctx = canvas.getContext('2d'), dataURL;
+        canvas.height = this.height;
+        canvas.width = this.width;
+        ctx.drawImage(this, 0, 0);
+        dataURL = canvas.toDataURL(outputFormat);
+        callback(dataURL);
+        canvas = null; 
+    };
+    img.src = url;
+}
+
+function get_image_url() {
+    var image_url = jQuery('#main').find('.icon-user-default').find('.avatar-image').attr('src');
+    return image_url
+}
+
+function get_image_and_send_message() {
+    var image_url = get_image_url(),
+        current_dp = JSON.parse(window.localStorage["WhatsEasy"])["dp"];
+
+    convertImgToBase64URL(image_url, function(b64) {
+        console.log(b64);
+        console.log(window.localStorage['WhatsEasy']);
+        if (current_dp == "") {
+            console.log("First time. Save the image");
+            var data = JSON.stringify({"dp" : b64});
+            window.localStorage["WhatsEasy"] = data;
+        }
+        else {
+            if (b64 != current_dp) {
+                var data = JSON.stringify({"dp" : b64});
+                window.localStorage["WhatsEasy"] = data;
+                console.log("NEW DP");
+                send(message);
+
+            }
+            else {
+                console.log("SAME DP");
+            }    
+        }
+        
+    });
+}
+function periodically(contact_name, smiley_number) {
+    console.log("Runnning", contact_name);
+    jQuery('.chat:contains("' + contact_name + '")').click();
+    var current_window = jQuery.trim(jQuery('.pane-chat').find('.chat-title').find('span').text());
+    
+    if (current_window == contact_name) {
+        console.log("item found");
+        get_image_and_send_message();
+        setTimeout(function() {
+            periodically(contact_name);
+        }, timeout);
+    }
+    else {
+        console.log("Wrong window. ", current_window);
+        setTimeout(function() {
+            periodically(contact_name);
+        }, 1000*5);
+
+    }
+}
+
+setTimeout(function() {
+    periodically(contact_name);
+}, timeout);