What settings work best for digital cameras when you take pics on Self-Timer?

Im not sure if its matter but Im using Canon G12 or Nikon D3100 when taking pics. Ive no problem taking pics in the regulare mode (no timer), but everytime I use the self timer the pics get so blurry when taking them on distant. Im going to start a blog about clothes (its a blog about outfits and wardrobe challenges) and I want my pics to be sharper without editing on pic-editing programs like photoshop (dont have that program anyway). So Im wondering:

Whats type of settings (P, M, No flash etc) gives best result when using the timer?
Just need the name of the settings (and search myself which icon/setting it could be) or a link to a website that wrote about the settings. Ive read the manuals but still lost. :S
Added (1). a pic example, Im used Nikon for this + the no-flash icon: -.- so blurry despite its a very good camera.
Added (2). Im not using a tripod, I put it on a shelf… LOL XD
Added (3). ah, its not for professional usage. Im just a noob with photography (self learning how to use it) and just want the details to be clearer so its easier to see all the elements in the outfit like this: its an hobby kind of blog (and I live in a OLD house. :P) .

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