Now you can select more than one slide at a time: press Ctrl while selecting disparate slides and Shift for continous selections. The slides can be moved using drag&drop and copied by selecting the options from the contextual menu.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-Ch4lCp1D1Z_MSf9DAD2ou0i_6AJjY6oOU3ZwanOlhLwJ2fZ_z3qjv4n1DQOQbCOa5a3uN2P1oIi4cih3Hi4D58BZuTLv-QsipVBz_SP3HkDbVAUtVkh64PKTI9ZO5syd95q3VQwslPg/s640/slide-management-for-presentations.png)
While there's still no option for custom themes, you can change the background by uploading an image or selecting a color. Right-click on a slide and select "Change theme". Google recommends to use 800x600 images or at least images with an aspect ratio of 4:3.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBknA_T-aATcVxcF3PZEcdA91TmQj40A9m_l9rCSIGtXQQWZl7SzWXwbCCb5tYynX7i8KA0Xb6MTjtrM7H6XoggXH9XKJM6b2Ar0xNRZAdUVIGltyjtQTmCYGWvwrR0SnkKIRnpwrlN_w/s640/change-background-for-presentations.png)
For the end, here's a simple way to import a PPT attachment from Gmail to Google Docs: right-click on the "View as slideshow" link, copy the link location, paste it in the address bar and replace "disp=vgp&view=att" with "disp=attd&view=wtatt". When Google Presentations becomes more powerful, this tip will probably be unnecessary.