How to illustrate ps? Making simple Teacher's Day greeting cards with ps. Making greeting cards with PS

I will send you a note of my Photoshop basic teaching course, hoping to help you (Photoshop 3. 13 begins). First, press Ctrl+Alt+Shift at startup to restore PS to the default setting (PSD). Second, Adobe: Adobe Corporation of the United States. Iii. The new file is 1, and the file \ New (Ctrl+N)2. Hold down the Ctrl key and double-click 3 in the workspace, 1 inch =2.54cm 1 foot =30.5cm 4. Picture formats jpg, bmp, gif and tiff Note: gif format supports transparency, while tiff format is mainly used for printing. 1. Open the Layers panel: F72. Create a new layer: Ctrl+Alt+Shift+N (none). Ctrl+Shift+N (yes) 3. Change the layer name: 1) Double-click the layer name. 2) Right-click Layer \ Attribute 5. RGB color mode (0 ~ 255) R: red (red) G: green (green) B: blue (blue) R=G=B=0 (black) =255 (white) VI. Rectangular and oval box selection tool 1. Foreground fill object: Alt+Del/. 1000 steps at most) 4. Deselect: Select \ Deselect (Ctrl+D)5. Load Selection: Hold down the Ctrl key and click the layer with the mouse to load all the objects in the layer into the selection. 6. When drawing a selection, press and hold the space bar to move the selection being created. Hold down the Alt key to draw the selection with the click point as the center of the object, and hold down the Shift key to draw the positive selection (assuming there is no selection in the canvas). 7. If there is already a selection in the canvas, press Shift to add it, press Alt to subtract it, and press Alt+Shift to cross it. 8. The premise of drawing auxiliary lines is to display the ruler, that is, Ctrl+R (view \ display ruler). 9. When drawing auxiliary lines, hold down the Alt key to pull out the vertical auxiliary lines on the horizontal ruler, or hold down the Shift key to align the pulled auxiliary lines with the ruler. 10, color change of auxiliary line: 1) Double-click it with the moving tool 2) Edit \ preset \ reference line and grid 1 1, and press the Del key to delete pixels in the selection (normal layer). If it is deleted on the background layer, it will be deleted as background color1. New \ Layer Background 14. Features of the background layer: it is located at the bottom of all layers, so you can't add layer styles, the objects inside can't move, you can't add opacity, and there is no transparent area inside. 15, full canvas display: Ctrl+0 (equivalent to double-clicking the paw tool) 16, feathering (0~250): soften the edge of the selection. 17, Inversion: Select \ Inversion (Ctrl+Shift+i) 18, single-line tool: height is 1px, width is canvas width; The width of the single-line tool is 1px, and the height is the height of the canvas. 6. Move the tool (V) 1. When using other tools (except those related to paths), hold down the Ctrl key to temporarily switch to this tool. 2. Hold down the Shift key to move the object, which can be moved horizontally, vertically and 45 degrees. Hold down the Alt key to copy the object. 3. Inversion: Image \ Adjustment \ Inversion (Ctrl+I)5. -& gt； Cyan (C)(G) green