Something

#ifdef BAJS32
  gtk_file_filter_add_pattern (filefilter, "*.bmp");
  gtk_file_filter_add_pattern (filefilter, "*.gif");
  gtk_file_filter_add_pattern (filefilter, "*.ief");
  gtk_file_filter_add_pattern (filefilter, "*.jpeg");
  gtk_file_filter_add_pattern (filefilter, "*.jpg");
  gtk_file_filter_add_pattern (filefilter, "*.jpe");
  gtk_file_filter_add_pattern (filefilter, "*.png");
  gtk_file_filter_add_pattern (filefilter, "*.svg");
  gtk_file_filter_add_pattern (filefilter, "*.tiff");
  gtk_file_filter_add_pattern (filefilter, "*.tif");
  gtk_file_filter_add_pattern (filefilter, "*.iff");
  gtk_file_filter_add_pattern (filefilter, "*.ilbm");
  gtk_file_filter_add_pattern (filefilter, "*.jng");
  gtk_file_filter_add_pattern (filefilter, "*.lwo");
  gtk_file_filter_add_pattern (filefilter, "*.lwob");
  gtk_file_filter_add_pattern (filefilter, "*.lws");
  gtk_file_filter_add_pattern (filefilter, "*.msod");
  gtk_file_filter_add_pattern (filefilter, "*.pcd");
  gtk_file_filter_add_pattern (filefilter, "*.pnm");
  gtk_file_filter_add_pattern (filefilter, "*.pgm");
  gtk_file_filter_add_pattern (filefilter, "*.ppm");
  gtk_file_filter_add_pattern (filefilter, "*.psd");
  gtk_file_filter_add_pattern (filefilter, "*.rgb");
  gtk_file_filter_add_pattern (filefilter, "*.tga");
  gtk_file_filter_add_pattern (filefilter, "*.xbm");
  gtk_file_filter_add_pattern (filefilter, "*.xcf");
  gtk_file_filter_add_pattern (filefilter, "*.xpm");
  gtk_file_filter_add_pattern (filefilter, "*.xwd");
#else
  gtk_file_filter_add_mime_type (filefilter, "image/*");
#endif