diff --git a/lib/ImageWorker.js b/lib/ImageWorker.js
index 743e1c9..2a0ed6d 100644
--- a/lib/ImageWorker.js
+++ b/lib/ImageWorker.js
@@ -20,8 +20,7 @@ type ImageWorkerProps = {
   src: string,
   placeholder?: string | Function,
   style?: Object,
-  imageClass?: string,
-  containerClass?: string,
+  placeholderAlt?: string
 }
 
 type ImageWorkerState = {
@@ -64,12 +63,12 @@ class ImageWorker extends Component<ImageWorkerProps, ImageWorkerState> {
   }
 
   renderPlaceholder() {
-    const { placeholder, style } = this.props;
+    const { placeholder, style, placeholderAlt } = this.props;
     if (typeof placeholder === 'function') {
       const PlaceholderComponent = wrappedComponent(placeholder);
       return <PlaceholderComponent />;
     } else if (typeof placeholder === 'string') {
-      return <img src={placeholder} style={{ ...style }} alt='placeholder' />;
+      return <img src={placeholder} style={{ ...style }} alt={placeholderAlt} />;
     } else {
       return null;
     }
@@ -90,16 +89,11 @@ class ImageWorker extends Component<ImageWorkerProps, ImageWorkerState> {
   }
 
   render() {
-    const { style, imageClass, containerClass } = this.props;
-    return (
-      <div className={containerClass}>
-        {
-          this.state.isLoading ? this.renderPlaceholder() :
-            <img src={this.state.imgSrc}
-              style={{ ...style }} className={imageClass} alt='worker' />
-        }
-      </div>
-    );
+    const { style, src, placeholderAlt, placeholder, ...props } = this.props; // eslint-disable-line no-unused-vars
+    const { isLoading, imgSrc } = this.state;
+    return isLoading ? this.renderPlaceholder() :
+      <img src={imgSrc}
+        style={{ ...style }} {...props} />;
   }
 }