Billboarding problem

void Graphics_Engine::DrawBillboard()
{
	myBird = OBJFACTORY->GetObj(1);
	Model *targetModel = static_cast<Model*>(myBird->Has(Component::MODEL));
	
	//world position and world size
	HR(mSprite->Begin(D3DXSPRITE_OBJECTSPACE | D3DXSPRITE_ALPHABLEND));
	D3DXMATRIX viewTranspose = gCamera->getViewMatrix();
	D3DXMatrixTranspose(&viewTranspose, &viewTranspose);

	viewTranspose._14 = 0.0f;
	viewTranspose._24 = 0.0f;
	viewTranspose._34 = 0.0f;
	

	static bool firstTime;

	if(firstTime == false)
	{
		firstTime = true;
		GFX->AddSprite( "pow.dds", 256, 256, D3DXVECTOR3(0, 0, 0) );
	}

	float fWidth = 256.0f;//spriteCmpnts_[0]->width_;
	float fHeight = 256.0f;//spriteCmpnts_[0]->height_;

	D3DXMATRIX centerTex;
	D3DXMatrixTranslation(&centerTex, -fWidth/2.0f, -fHeight/2.0f, 0.0f);

	D3DXMATRIX rotationMatrix;
	D3DXMatrixRotationZ(&rotationMatrix, 0);

	D3DXMATRIX mat4Pos;
	D3DXMatrixTranslation(&mat4Pos, 0, 0, 0);

	float fSizeX = 5.0f;
	float fSizeY = 5.0f;

	float fScaleX = fSizeX/fWidth;
	float fScaleY = fSizeY/fHeight;

	D3DXMATRIX scale;
	D3DXMatrixIdentity(&scale);
	D3DXMatrixScaling(&scale, fScaleX, -fScaleY, 1.0f);

	D3DXMATRIX final;
	final = centerTex * scale * rotationMatrix * viewTranspose * mat4Pos * gCamera->getViewMatrix() * gCamera->getProjectionMatrix();
	//matrix for rotating texture

	D3DXMATRIX old;
	HR(mSprite->GetTransform(&old));
	HR(mSprite->SetTransform(&final));
	D3DXVECTOR3 vec3Position(0.0f, 0.0f, 0.0f);
	HR(mSprite->Draw(spriteCmpnts_[0]->mTex_, 0, &vec3Position, &vec3Position, D3DCOLOR_XRGB(255,255,255)));
	HR(mSprite->SetTransform(&old));
	HR(mSprite->End());

}