uploadUrl = "https://yfrog.com/api/xauth_upload";
String signedVerifyCredentialsURL = generateVerifyCredentialsAuthorizationURL("https://api.twitter.com/1.1/account/verify_credentials.xml");
Twitter tw = new TwitterFactory().getInstance(this.oauth);
HttpParameter[] params = {
new HttpParameter("auth", "oauth"),
new HttpParameter("username", tw.verifyCredentials().getScreenName()),
new HttpParameter("verify_url", signedVerifyCredentialsURL),
this.image,
};
if (message != null) {
params = appendHttpParameters(new HttpParameter[]{
this.message