Re: .gif file
You don't need an external application to have a GIF as your wallpaper and still have it animated in XP... I just did it, and it works fine =\. You have to have Active Desktop turned on though, I think. I even did this on my Win98 machine, and I didn't have to have an external app.
Laptop: MSI GT70 2OC-059us | i7-4700MQ | 16GB | GTX 770m | 500GB SSD / 750GB HDD | 17.3" | Win10 Pro
Desktop: 4690k | 12GB g.Skill RipJaws | GTX 970 | 520hx | Z87X-UD4H | Corsair Vengeance C70 | Corsair H110 | Acer 25" | Acer 22" | Win10
Mobile: Samsung Galaxy Note 5
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