// For a simple view:
@Override
public void onCreate(Bundle savedInstanceState) {
  ...

  ImageView imageView = (ImageView) findViewById(R.id.my_image_view);

  Glide.with(this).load("http://goo.gl/h8qOq7").into(imageView);
}

// For a list:
@Override
public View getView(int position, View recycled, ViewGroup container) {
  final ImageView myImageView;
  if (recycled == null) {
    myImageView = (ImageView) inflater.inflate(R.layout.my_image_view,
        container, false);
  } else {
    myImageView = (ImageView) recycled;
  }

  String url = myUrls.get(position);

  Glide.with(myFragment)
    .load(url)
    .centerCrop()
    .placeholder(R.drawable.loading_spinner)
    .crossFade()
    .into(myImageView);

  return myImageView;
}

dependencies {
  compile 'com.github.bumptech.glide:volley-integration:1.0.+'
  compile 'com.mcxiaoke.volley:library:1.0.+'
}

<dependency>
  <groupId>com.github.bumptech.glide</groupId>
  <artifactId>volley-integration</artifactId>
  <version>1.0.1</version>
  <type>jar</type>
</dependency>
<dependency>
  <groupId>com.mcxiaoke.volley</groupId>
  <artifactId>library</artifactId>
  <version>1.0.5</version>
  <type>aar</type>
</dependency>

public void onCreate() {
 Glide.get(this).register(GlideUrl.class, InputStream.class,
    new VolleyUrlLoader.Factory(yourRequestQueue));
 ...
}

dependencies {
  compile 'com.github.bumptech.glide:okhttp-integration:1.0.+'
  compile 'com.squareup.okhttp:okhttp:2.0.+'
}

<dependency>
  <groupId>com.github.bumptech.glide</groupId>
  <artifactId>okhttp-integration</artifactId>
  <version>1.0.1</version>
  <type>jar</type>
</dependency>
<dependency>
  <groupId>com.squareup.okhttp</groupId>
  <artifactId>okhttp</artifactId>
  <version>2.0.0</version>
  <type>jar</type>
</dependency>

public void onCreate() {
 Glide.get(this).register(GlideUrl.class, InputStream.class,
    new OkHttpUrlLoader.Factory(yourOkHttpClient));
 ...
}